Here we are calling a validate() function before submitting a form data to the webserver. How to sort an HTML list using JavaScript? A large part of validating data in HTML5 is creating the […] This is a very simple trick but it’s very useful and frequently used. Use onclick rather than submit in HTML forms.. A typical HTML form has a few fields and a button to submit the data to some back-end server. Most of the web developers prefer JavaScript form validation. JavaScript Form submission is a key event when it’s about web apps and websites. Tip: Use the reset() method How to submit an HTML form using JavaScript? value; var email = document.getElementById("email"). The first line (