Learn how to use JavaScript to check and manipulate HTML form elements, ... By using JavaScript for form validation, ... For example, you can use the following function to validate an email address: ...

How to validate a form with javascript. Step 1: Onblur() is event and checkFname() is a function name. Step 2: For span tag we use display the validation message For display-block class using message ...

The function uses GMail credentials to send an email. Open functions/indes.js and change the GMail credentials to your own. Using a terminal, change your current directory to the functions folder. Run ...