javascript on form submit code example
Example 1: javascript prevent form submit
<form name="foo" onsubmit="return false">
Example 2: js form submit listener
document.getElementById("#myFormId").addEventListener("submit", function(e){
if(!isValid){
e.preventDefault(); //stop form from submitting
}
//do whatever an submit the form
});
Example 3: javascript submit a form
document.getElementById("myFormID").submit();
Example 4: javascript submit form
document.getElementById("myForm").submit();
Example 5: html submit form onclick
var form = document.getElementById("form-id");
document.getElementById("your-id").addEventListener("click", function () {
form.submit();
});
Example 6: how to run js before submit html
<form onsubmit="return do_something()">
function do_something(){
// Do your stuff here
return true; // submit the form
return false; // don't submit the form
}