If the form data is invalid, you can stop submitting the form. To attach an event listener to the submit event, you use the addEventListener() method of the ... ... <看更多>

getElementById("myForm").submit() }) <form id="myForm" action="https://google.com" method="get"> First name: <input type="text" ... ... <看更多>

In this quick video, I give an overview on how to add the preventDefaut(); method to a form submission button. ... <看更多>