Validating fields in javascript


23-Mar-2019 01:47

Our example is very simple as it only checks one field.Let's expand this example with a more complex function that checks lots of form fields.

Also, the ‘@’ must not be the first character of the email address, and the last dot must at least be one character after the ‘@’ sign.

Shows you how to write a script that ensures your form is filled in correctly before it's sent to your server.

Great for "required fields" such as email addresses!

Now we will see how we can validate our entered form data before submitting it to the web server.

The following example shows how to validate an entered email address.

You might like to open the source code for this form in a separate window, so that you can refer to it throughout the tutorial.



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