How do I add checks to make the code to display 'Password too short' and 'Height is not a number?'

up vote
2
down vote

favorite

I have to add checks to the checkSubmit() function so that it will give the following response

Passwords do not match

Passwords is too short(minimum 4 characters)

Height is not a number

I have managed the first one however I have no idea where to start with the other two. I'll post all the code just to be safe in case I missed something.

<!DOCTYPE HTML>

<html lang="en">

<head>

    <title>Form Validation</title>

    <meta charset="utf-8">

    <link rel="stylesheet" type="text/css" href="styles/styles.css">

    <link rel="stylesheet" type="text/css" href="styles/forms.css">

    <script type="text/javascript">



    window.onload=init;

    var form;

        function init() {

            form = document.getElementById('testform');

            form.addEventListener("submit", checkSubmit, false);

            form.addEventListener("reset", checkReset, false);



            form['colour'].addEventListener("change", checkSubmit, false);



            form['name'].focus();

        }

        String.prototype.trim=function() {

            return this.replace(/^s+1s+$/g, '');

        }

        function whichButton(name) {

            var buttons=document.getElementsByName(name);

            for (var i in buttons) {

                if(buttons[i].checked) return buttons[i].value

            }

            return false;

        }

        function showOtherColour() {

            document.getElementById('othercolour').style.visibility=

                form['colour'].value=='other' ? 'visible' : 'hidden';

        }

        function checkSubmit() {

            error = new Array();

            //Fill the array with the error value



            form['name'].value=form['name'].value.trim();

            form['email'].value=form['email'].value.trim();

            form['town'].value=form['town'].value.trim();

            form['state'].value=form['state'].value.trim();

            form['postcode'].value=form['postcode'].value.trim();

            form['dob'].value=form['dob'].value.trim();

            form['height'].value=form['height'].value.trim();



            //Check required fields

            if(!form['name'].value)

                error.push('Missing Name');

            if(!form['email'].value)

                error.push('Missing Email Address');

            if(!form['password'].value)

                error.push('Missing Password');



            //Check valid email address

            var pattern=/^[a-zA-Z0-9._%-]+@[a-zA-Z0-9.-]+(.[a-zA-Z]{2,4})$/;

            if(!form['email'].value.match(pattern))

                error.push('Invalid Email Address');



            //Check State



            //Check Post Code has 4 digits

            var pattern=/^d{4}$/;

            if(!form['postcode'].value.match(pattern))

                error.push('Invalid Post Code');

            //Check password matches confirmation

            //var password = ;

            /*

            if(!form['passwordConfirm'].value.match(password)){

                error.push("Passwords don't match");

            }*/



            console.log(form['confirm'].value);

            console.log(form['password'].value);

            if(!form['confirm'].value.match(form['password'].value)){

                error.push('Passwords do not match');

            }



            //Check that one Gender item is selected

            if(whichButton('gender')===false)

                error.push('Please choose a Gender');



            //Check that "Other" field is filled

            if (!form['colour'].value ||

                (form['colour'].value=='other' && !form['othercolour'].value))

                error.push('Colour is not selected');



            if(error.length) { // if there are errors

            alert(error.join("n"))

            return false;

            }

            else return true;



            //return confirm("This will submit the form"); //Temporary placeholder

        } 

        function checkReset() {

            return confirm("This will clear the form data");

        }

    </script>

<style type="text/css">

body,td,th {

    font-size: 0.9em;

}

</style>

</head>

<body>

<div id="body">

    <h1>Form Validation</h1>

    <form action="http://test.miform.net" method="post" id="testform">

    <fieldset>

        <label>Name<br><input type="text" name="name" class="wide"></label>

        <label>Email Address<br><input type="text" name="email" class="wide"></label>

    </fieldset>

    <fieldset>

        <label>Address<br><input type="text" name="street" class="wide"></label>

        <label>Town<br><input type="text" name="town" class="narrow"></label>

        <label>State<br><input type="text" name="state" class="narrow"></label>

        <label>PostCode<br><input type="text" name="postcode" class="narrow"></label>

    </fieldset>

    <fieldset>

        <label>Password<br><input type="password" name="password" class="medium"></label>

        <label>Confirm Password<br><input type="password" name="confirm" class="medium"></label>

    </fieldset>

    <fieldset>

        <label>Date of Birth<br><input type="text" name="dob" class="medium"></label>

        <label>Height<br><input type="text" name="height" class="medium"></label>

    </fieldset>

    <fieldset>

        <legend>Gender</legend>

        <label><input type="radio" name="gender" value="f">Female</label>

        <label><input type="radio" name="gender" value="m">Male</label>

    </fieldset>

    <fieldset>

        <label>Colour

            <select name="colour">

                <option value="">Select...</option>

                <option value="black">Black</option>

                <option value="white">White</option>

                <option value="red">Red</option>

                <option value="green">Green</option>

                <option value="blue">Blue</option>

                <option value="cyan">Cyan</option>

                <option value="magenta">Magenta</option>

                <option value="yellow">Yellow</option>

                <option value="other">Other</option>

            </select>

        </label>

        <input type="text" id="othercolour">

    </fieldset>

        <input type="reset" name="reset" value="Clear Form">

        <input type="submit" name="send" value="Send Off">

    </form>

</div>

</body>

</html>

edited Nov 11 at 1:02

Jack Bashford

3,32631030

asked Nov 10 at 23:56

David Hendersson

143

This sounds like a school assignment. Also what have your tried so far to achieve all three goals? Also you could use the minlength attribute on the element => minlength="4"
– NewToJS
Nov 11 at 0:00

Well for issue #2 - Password length - I'd just go with checking if the inputted value is less than 4 characters, if so, clear out the input and show an alert for example. And for the issue #3 - Height is not a number - you could use isNan() which returns true if the variable is not a number, and false if it is, where you'd include some sort of an alert.
– Petar
Nov 11 at 0:00

add a comment |

up vote
2
down vote

favorite

I have to add checks to the checkSubmit() function so that it will give the following response

Passwords do not match

Passwords is too short(minimum 4 characters)

Height is not a number

I have managed the first one however I have no idea where to start with the other two. I'll post all the code just to be safe in case I missed something.

<!DOCTYPE HTML>

<html lang="en">

<head>

    <title>Form Validation</title>

    <meta charset="utf-8">

    <link rel="stylesheet" type="text/css" href="styles/styles.css">

    <link rel="stylesheet" type="text/css" href="styles/forms.css">

    <script type="text/javascript">



    window.onload=init;

    var form;

        function init() {

            form = document.getElementById('testform');

            form.addEventListener("submit", checkSubmit, false);

            form.addEventListener("reset", checkReset, false);



            form['colour'].addEventListener("change", checkSubmit, false);



            form['name'].focus();

        }

        String.prototype.trim=function() {

            return this.replace(/^s+1s+$/g, '');

        }

        function whichButton(name) {

            var buttons=document.getElementsByName(name);

            for (var i in buttons) {

                if(buttons[i].checked) return buttons[i].value

            }

            return false;

        }

        function showOtherColour() {

            document.getElementById('othercolour').style.visibility=

                form['colour'].value=='other' ? 'visible' : 'hidden';

        }

        function checkSubmit() {

            error = new Array();

            //Fill the array with the error value



            form['name'].value=form['name'].value.trim();

            form['email'].value=form['email'].value.trim();

            form['town'].value=form['town'].value.trim();

            form['state'].value=form['state'].value.trim();

            form['postcode'].value=form['postcode'].value.trim();

            form['dob'].value=form['dob'].value.trim();

            form['height'].value=form['height'].value.trim();



            //Check required fields

            if(!form['name'].value)

                error.push('Missing Name');

            if(!form['email'].value)

                error.push('Missing Email Address');

            if(!form['password'].value)

                error.push('Missing Password');



            //Check valid email address

            var pattern=/^[a-zA-Z0-9._%-]+@[a-zA-Z0-9.-]+(.[a-zA-Z]{2,4})$/;

            if(!form['email'].value.match(pattern))

                error.push('Invalid Email Address');



            //Check State



            //Check Post Code has 4 digits

            var pattern=/^d{4}$/;

            if(!form['postcode'].value.match(pattern))

                error.push('Invalid Post Code');

            //Check password matches confirmation

            //var password = ;

            /*

            if(!form['passwordConfirm'].value.match(password)){

                error.push("Passwords don't match");

            }*/



            console.log(form['confirm'].value);

            console.log(form['password'].value);

            if(!form['confirm'].value.match(form['password'].value)){

                error.push('Passwords do not match');

            }



            //Check that one Gender item is selected

            if(whichButton('gender')===false)

                error.push('Please choose a Gender');



            //Check that "Other" field is filled

            if (!form['colour'].value ||

                (form['colour'].value=='other' && !form['othercolour'].value))

                error.push('Colour is not selected');



            if(error.length) { // if there are errors

            alert(error.join("n"))

            return false;

            }

            else return true;



            //return confirm("This will submit the form"); //Temporary placeholder

        } 

        function checkReset() {

            return confirm("This will clear the form data");

        }

    </script>

<style type="text/css">

body,td,th {

    font-size: 0.9em;

}

</style>

</head>

<body>

<div id="body">

    <h1>Form Validation</h1>

    <form action="http://test.miform.net" method="post" id="testform">

    <fieldset>

        <label>Name<br><input type="text" name="name" class="wide"></label>

        <label>Email Address<br><input type="text" name="email" class="wide"></label>

    </fieldset>

    <fieldset>

        <label>Address<br><input type="text" name="street" class="wide"></label>

        <label>Town<br><input type="text" name="town" class="narrow"></label>

        <label>State<br><input type="text" name="state" class="narrow"></label>

        <label>PostCode<br><input type="text" name="postcode" class="narrow"></label>

    </fieldset>

    <fieldset>

        <label>Password<br><input type="password" name="password" class="medium"></label>

        <label>Confirm Password<br><input type="password" name="confirm" class="medium"></label>

    </fieldset>

    <fieldset>

        <label>Date of Birth<br><input type="text" name="dob" class="medium"></label>

        <label>Height<br><input type="text" name="height" class="medium"></label>

    </fieldset>

    <fieldset>

        <legend>Gender</legend>

        <label><input type="radio" name="gender" value="f">Female</label>

        <label><input type="radio" name="gender" value="m">Male</label>

    </fieldset>

    <fieldset>

        <label>Colour

            <select name="colour">

                <option value="">Select...</option>

                <option value="black">Black</option>

                <option value="white">White</option>

                <option value="red">Red</option>

                <option value="green">Green</option>

                <option value="blue">Blue</option>

                <option value="cyan">Cyan</option>

                <option value="magenta">Magenta</option>

                <option value="yellow">Yellow</option>

                <option value="other">Other</option>

            </select>

        </label>

        <input type="text" id="othercolour">

    </fieldset>

        <input type="reset" name="reset" value="Clear Form">

        <input type="submit" name="send" value="Send Off">

    </form>

</div>

</body>

</html>

edited Nov 11 at 1:02

Jack Bashford

3,32631030

asked Nov 10 at 23:56

David Hendersson

143

This sounds like a school assignment. Also what have your tried so far to achieve all three goals? Also you could use the minlength attribute on the element => minlength="4"
– NewToJS
Nov 11 at 0:00

Well for issue #2 - Password length - I'd just go with checking if the inputted value is less than 4 characters, if so, clear out the input and show an alert for example. And for the issue #3 - Height is not a number - you could use isNan() which returns true if the variable is not a number, and false if it is, where you'd include some sort of an alert.
– Petar
Nov 11 at 0:00

add a comment |

up vote
2
down vote

favorite

I have to add checks to the checkSubmit() function so that it will give the following response

Passwords do not match

Passwords is too short(minimum 4 characters)

Height is not a number

I have managed the first one however I have no idea where to start with the other two. I'll post all the code just to be safe in case I missed something.

<!DOCTYPE HTML>

<html lang="en">

<head>

    <title>Form Validation</title>

    <meta charset="utf-8">

    <link rel="stylesheet" type="text/css" href="styles/styles.css">

    <link rel="stylesheet" type="text/css" href="styles/forms.css">

    <script type="text/javascript">



    window.onload=init;

    var form;

        function init() {

            form = document.getElementById('testform');

            form.addEventListener("submit", checkSubmit, false);

            form.addEventListener("reset", checkReset, false);



            form['colour'].addEventListener("change", checkSubmit, false);



            form['name'].focus();

        }

        String.prototype.trim=function() {

            return this.replace(/^s+1s+$/g, '');

        }

        function whichButton(name) {

            var buttons=document.getElementsByName(name);

            for (var i in buttons) {

                if(buttons[i].checked) return buttons[i].value

            }

            return false;

        }

        function showOtherColour() {

            document.getElementById('othercolour').style.visibility=

                form['colour'].value=='other' ? 'visible' : 'hidden';

        }

        function checkSubmit() {

            error = new Array();

            //Fill the array with the error value



            form['name'].value=form['name'].value.trim();

            form['email'].value=form['email'].value.trim();

            form['town'].value=form['town'].value.trim();

            form['state'].value=form['state'].value.trim();

            form['postcode'].value=form['postcode'].value.trim();

            form['dob'].value=form['dob'].value.trim();

            form['height'].value=form['height'].value.trim();



            //Check required fields

            if(!form['name'].value)

                error.push('Missing Name');

            if(!form['email'].value)

                error.push('Missing Email Address');

            if(!form['password'].value)

                error.push('Missing Password');



            //Check valid email address

            var pattern=/^[a-zA-Z0-9._%-]+@[a-zA-Z0-9.-]+(.[a-zA-Z]{2,4})$/;

            if(!form['email'].value.match(pattern))

                error.push('Invalid Email Address');



            //Check State



            //Check Post Code has 4 digits

            var pattern=/^d{4}$/;

            if(!form['postcode'].value.match(pattern))

                error.push('Invalid Post Code');

            //Check password matches confirmation

            //var password = ;

            /*

            if(!form['passwordConfirm'].value.match(password)){

                error.push("Passwords don't match");

            }*/



            console.log(form['confirm'].value);

            console.log(form['password'].value);

            if(!form['confirm'].value.match(form['password'].value)){

                error.push('Passwords do not match');

            }



            //Check that one Gender item is selected

            if(whichButton('gender')===false)

                error.push('Please choose a Gender');



            //Check that "Other" field is filled

            if (!form['colour'].value ||

                (form['colour'].value=='other' && !form['othercolour'].value))

                error.push('Colour is not selected');



            if(error.length) { // if there are errors

            alert(error.join("n"))

            return false;

            }

            else return true;



            //return confirm("This will submit the form"); //Temporary placeholder

        } 

        function checkReset() {

            return confirm("This will clear the form data");

        }

    </script>

<style type="text/css">

body,td,th {

    font-size: 0.9em;

}

</style>

</head>

<body>

<div id="body">

    <h1>Form Validation</h1>

    <form action="http://test.miform.net" method="post" id="testform">

    <fieldset>

        <label>Name<br><input type="text" name="name" class="wide"></label>

        <label>Email Address<br><input type="text" name="email" class="wide"></label>

    </fieldset>

    <fieldset>

        <label>Address<br><input type="text" name="street" class="wide"></label>

        <label>Town<br><input type="text" name="town" class="narrow"></label>

        <label>State<br><input type="text" name="state" class="narrow"></label>

        <label>PostCode<br><input type="text" name="postcode" class="narrow"></label>

    </fieldset>

    <fieldset>

        <label>Password<br><input type="password" name="password" class="medium"></label>

        <label>Confirm Password<br><input type="password" name="confirm" class="medium"></label>

    </fieldset>

    <fieldset>

        <label>Date of Birth<br><input type="text" name="dob" class="medium"></label>

        <label>Height<br><input type="text" name="height" class="medium"></label>

    </fieldset>

    <fieldset>

        <legend>Gender</legend>

        <label><input type="radio" name="gender" value="f">Female</label>

        <label><input type="radio" name="gender" value="m">Male</label>

    </fieldset>

    <fieldset>

        <label>Colour

            <select name="colour">

                <option value="">Select...</option>

                <option value="black">Black</option>

                <option value="white">White</option>

                <option value="red">Red</option>

                <option value="green">Green</option>

                <option value="blue">Blue</option>

                <option value="cyan">Cyan</option>

                <option value="magenta">Magenta</option>

                <option value="yellow">Yellow</option>

                <option value="other">Other</option>

            </select>

        </label>

        <input type="text" id="othercolour">

    </fieldset>

        <input type="reset" name="reset" value="Clear Form">

        <input type="submit" name="send" value="Send Off">

    </form>

</div>

</body>

</html>

edited Nov 11 at 1:02

Jack Bashford

3,32631030

asked Nov 10 at 23:56

David Hendersson

143

I have to add checks to the checkSubmit() function so that it will give the following response

Passwords do not match

Passwords is too short(minimum 4 characters)

Height is not a number

I have managed the first one however I have no idea where to start with the other two. I'll post all the code just to be safe in case I missed something.

<!DOCTYPE HTML>

<html lang="en">

<head>

    <title>Form Validation</title>

    <meta charset="utf-8">

    <link rel="stylesheet" type="text/css" href="styles/styles.css">

    <link rel="stylesheet" type="text/css" href="styles/forms.css">

    <script type="text/javascript">



    window.onload=init;

    var form;

        function init() {

            form = document.getElementById('testform');

            form.addEventListener("submit", checkSubmit, false);

            form.addEventListener("reset", checkReset, false);



            form['colour'].addEventListener("change", checkSubmit, false);



            form['name'].focus();

        }

        String.prototype.trim=function() {

            return this.replace(/^s+1s+$/g, '');

        }

        function whichButton(name) {

            var buttons=document.getElementsByName(name);

            for (var i in buttons) {

                if(buttons[i].checked) return buttons[i].value

            }

            return false;

        }

        function showOtherColour() {

            document.getElementById('othercolour').style.visibility=

                form['colour'].value=='other' ? 'visible' : 'hidden';

        }

        function checkSubmit() {

            error = new Array();

            //Fill the array with the error value



            form['name'].value=form['name'].value.trim();

            form['email'].value=form['email'].value.trim();

            form['town'].value=form['town'].value.trim();

            form['state'].value=form['state'].value.trim();

            form['postcode'].value=form['postcode'].value.trim();

            form['dob'].value=form['dob'].value.trim();

            form['height'].value=form['height'].value.trim();



            //Check required fields

            if(!form['name'].value)

                error.push('Missing Name');

            if(!form['email'].value)

                error.push('Missing Email Address');

            if(!form['password'].value)

                error.push('Missing Password');



            //Check valid email address

            var pattern=/^[a-zA-Z0-9._%-]+@[a-zA-Z0-9.-]+(.[a-zA-Z]{2,4})$/;

            if(!form['email'].value.match(pattern))

                error.push('Invalid Email Address');



            //Check State



            //Check Post Code has 4 digits

            var pattern=/^d{4}$/;

            if(!form['postcode'].value.match(pattern))

                error.push('Invalid Post Code');

            //Check password matches confirmation

            //var password = ;

            /*

            if(!form['passwordConfirm'].value.match(password)){

                error.push("Passwords don't match");

            }*/



            console.log(form['confirm'].value);

            console.log(form['password'].value);

            if(!form['confirm'].value.match(form['password'].value)){

                error.push('Passwords do not match');

            }



            //Check that one Gender item is selected

            if(whichButton('gender')===false)

                error.push('Please choose a Gender');



            //Check that "Other" field is filled

            if (!form['colour'].value ||

                (form['colour'].value=='other' && !form['othercolour'].value))

                error.push('Colour is not selected');



            if(error.length) { // if there are errors

            alert(error.join("n"))

            return false;

            }

            else return true;



            //return confirm("This will submit the form"); //Temporary placeholder

        } 

        function checkReset() {

            return confirm("This will clear the form data");

        }

    </script>

<style type="text/css">

body,td,th {

    font-size: 0.9em;

}

</style>

</head>

<body>

<div id="body">

    <h1>Form Validation</h1>

    <form action="http://test.miform.net" method="post" id="testform">

    <fieldset>

        <label>Name<br><input type="text" name="name" class="wide"></label>

        <label>Email Address<br><input type="text" name="email" class="wide"></label>

    </fieldset>

    <fieldset>

        <label>Address<br><input type="text" name="street" class="wide"></label>

        <label>Town<br><input type="text" name="town" class="narrow"></label>

        <label>State<br><input type="text" name="state" class="narrow"></label>

        <label>PostCode<br><input type="text" name="postcode" class="narrow"></label>

    </fieldset>

    <fieldset>

        <label>Password<br><input type="password" name="password" class="medium"></label>

        <label>Confirm Password<br><input type="password" name="confirm" class="medium"></label>

    </fieldset>

    <fieldset>

        <label>Date of Birth<br><input type="text" name="dob" class="medium"></label>

        <label>Height<br><input type="text" name="height" class="medium"></label>

    </fieldset>

    <fieldset>

        <legend>Gender</legend>

        <label><input type="radio" name="gender" value="f">Female</label>

        <label><input type="radio" name="gender" value="m">Male</label>

    </fieldset>

    <fieldset>

        <label>Colour

            <select name="colour">

                <option value="">Select...</option>

                <option value="black">Black</option>

                <option value="white">White</option>

                <option value="red">Red</option>

                <option value="green">Green</option>

                <option value="blue">Blue</option>

                <option value="cyan">Cyan</option>

                <option value="magenta">Magenta</option>

                <option value="yellow">Yellow</option>

                <option value="other">Other</option>

            </select>

        </label>

        <input type="text" id="othercolour">

    </fieldset>

        <input type="reset" name="reset" value="Clear Form">

        <input type="submit" name="send" value="Send Off">

    </form>

</div>

</body>

</html>

javascript html

edited Nov 11 at 1:02

Jack Bashford

3,32631030

asked Nov 10 at 23:56

David Hendersson

143

edited Nov 11 at 1:02

Jack Bashford

3,32631030

asked Nov 10 at 23:56

David Hendersson

143

edited Nov 11 at 1:02

Jack Bashford

3,32631030

edited Nov 11 at 1:02

Jack Bashford

3,32631030

edited Nov 11 at 1:02

Jack Bashford

3,32631030

asked Nov 10 at 23:56

David Hendersson

143

asked Nov 10 at 23:56

David Hendersson

143

asked Nov 10 at 23:56

David Hendersson

143

This sounds like a school assignment. Also what have your tried so far to achieve all three goals? Also you could use the minlength attribute on the element => minlength="4"
– NewToJS
Nov 11 at 0:00

Well for issue #2 - Password length - I'd just go with checking if the inputted value is less than 4 characters, if so, clear out the input and show an alert for example. And for the issue #3 - Height is not a number - you could use isNan() which returns true if the variable is not a number, and false if it is, where you'd include some sort of an alert.
– Petar
Nov 11 at 0:00

add a comment |

This sounds like a school assignment. Also what have your tried so far to achieve all three goals? Also you could use the minlength attribute on the element => minlength="4"
– NewToJS
Nov 11 at 0:00

Well for issue #2 - Password length - I'd just go with checking if the inputted value is less than 4 characters, if so, clear out the input and show an alert for example. And for the issue #3 - Height is not a number - you could use isNan() which returns true if the variable is not a number, and false if it is, where you'd include some sort of an alert.
– Petar
Nov 11 at 0:00

This sounds like a school assignment. Also what have your tried so far to achieve all three goals? Also you could use the minlength attribute on the element => minlength="4"
– NewToJS
Nov 11 at 0:00

Well for issue #2 - Password length - I'd just go with checking if the inputted value is less than 4 characters, if so, clear out the input and show an alert for example. And for the issue #3 - Height is not a number - you could use isNan() which returns true if the variable is not a number, and false if it is, where you'd include some sort of an alert.
– Petar
Nov 11 at 0:00

add a comment |

1 Answer
1

active

oldest

votes

up vote
0
down vote

accepted

Do this for the second:

if (form['password'].value.length < 4) {

    error.push("Password is too short");

}

And this for the third:

if (isNan(Number(form['height'].value))) {

    error.push("Height is not a number");

}

edited Nov 11 at 1:01

answered Nov 11 at 0:04

Jack Bashford

3,32631030

thank you, what does the isNan mean?
– David Hendersson
Nov 11 at 1:00

That checks if it is Not A Number.
– Jack Bashford
Nov 11 at 1:01

@DavidHendersson If my answer fixed your problem, can you mark it as accepted by clicking the grey tick mark to the left of my answer?
– Jack Bashford
Nov 11 at 1:02

How would I highlight fields that have an error?
– David Hendersson
Nov 11 at 1:08

Just add a class: form['password'].setAttribute("class", "invalid"); or something like that
– Jack Bashford
Nov 11 at 1:09

|
show 2 more comments

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1 Answer
1

active

oldest

votes

1 Answer
1

active

oldest

votes

up vote
0
down vote

accepted

Do this for the second:

if (form['password'].value.length < 4) {

    error.push("Password is too short");

}

And this for the third:

if (isNan(Number(form['height'].value))) {

    error.push("Height is not a number");

}

edited Nov 11 at 1:01

answered Nov 11 at 0:04

Jack Bashford

3,32631030

thank you, what does the isNan mean?
– David Hendersson
Nov 11 at 1:00

That checks if it is Not A Number.
– Jack Bashford
Nov 11 at 1:01

@DavidHendersson If my answer fixed your problem, can you mark it as accepted by clicking the grey tick mark to the left of my answer?
– Jack Bashford
Nov 11 at 1:02

How would I highlight fields that have an error?
– David Hendersson
Nov 11 at 1:08

Just add a class: form['password'].setAttribute("class", "invalid"); or something like that
– Jack Bashford
Nov 11 at 1:09

|
show 2 more comments

up vote
0
down vote

accepted

Do this for the second:

if (form['password'].value.length < 4) {

    error.push("Password is too short");

}

And this for the third:

if (isNan(Number(form['height'].value))) {

    error.push("Height is not a number");

}

edited Nov 11 at 1:01

answered Nov 11 at 0:04

Jack Bashford

3,32631030

thank you, what does the isNan mean?
– David Hendersson
Nov 11 at 1:00

That checks if it is Not A Number.
– Jack Bashford
Nov 11 at 1:01

@DavidHendersson If my answer fixed your problem, can you mark it as accepted by clicking the grey tick mark to the left of my answer?
– Jack Bashford
Nov 11 at 1:02

How would I highlight fields that have an error?
– David Hendersson
Nov 11 at 1:08

Just add a class: form['password'].setAttribute("class", "invalid"); or something like that
– Jack Bashford
Nov 11 at 1:09

|
show 2 more comments

up vote
0
down vote

accepted

Do this for the second:

if (form['password'].value.length < 4) {

    error.push("Password is too short");

}

And this for the third:

if (isNan(Number(form['height'].value))) {

    error.push("Height is not a number");

}

edited Nov 11 at 1:01

answered Nov 11 at 0:04

Jack Bashford

3,32631030

Do this for the second:

if (form['password'].value.length < 4) {

    error.push("Password is too short");

}

And this for the third:

if (isNan(Number(form['height'].value))) {

    error.push("Height is not a number");

}

edited Nov 11 at 1:01

answered Nov 11 at 0:04

Jack Bashford

3,32631030

edited Nov 11 at 1:01

answered Nov 11 at 0:04

Jack Bashford

3,32631030

answered Nov 11 at 0:04

Jack Bashford

3,32631030

answered Nov 11 at 0:04

Jack Bashford

3,32631030

thank you, what does the isNan mean?
– David Hendersson
Nov 11 at 1:00

That checks if it is Not A Number.
– Jack Bashford
Nov 11 at 1:01

@DavidHendersson If my answer fixed your problem, can you mark it as accepted by clicking the grey tick mark to the left of my answer?
– Jack Bashford
Nov 11 at 1:02

How would I highlight fields that have an error?
– David Hendersson
Nov 11 at 1:08

Just add a class: form['password'].setAttribute("class", "invalid"); or something like that
– Jack Bashford
Nov 11 at 1:09

|
show 2 more comments

thank you, what does the isNan mean?
– David Hendersson
Nov 11 at 1:00

That checks if it is Not A Number.
– Jack Bashford
Nov 11 at 1:01

@DavidHendersson If my answer fixed your problem, can you mark it as accepted by clicking the grey tick mark to the left of my answer?
– Jack Bashford
Nov 11 at 1:02

How would I highlight fields that have an error?
– David Hendersson
Nov 11 at 1:08

Just add a class: form['password'].setAttribute("class", "invalid"); or something like that
– Jack Bashford
Nov 11 at 1:09

thank you, what does the isNan mean?
– David Hendersson
Nov 11 at 1:00

That checks if it is Not A Number.
– Jack Bashford
Nov 11 at 1:01

@DavidHendersson If my answer fixed your problem, can you mark it as accepted by clicking the grey tick mark to the left of my answer?
– Jack Bashford
Nov 11 at 1:02

How would I highlight fields that have an error?
– David Hendersson
Nov 11 at 1:08

Just add a class: form['password'].setAttribute("class", "invalid"); or something like that
– Jack Bashford
Nov 11 at 1:09

|
show 2 more comments

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