html - How to Clear/Remove JavaScript Event Handler?

Question

Given the following HTML fragment:

<form id="aspnetForm" onsubmit="alert('On Submit Run!'); return true;">

I need to remove/clear the handler for the onsubmit event and register my own using jQuery or any other flavor of JavaScript usage.

Answer 1

To do this without any libraries:

document.getElementById("aspnetForm").onsubmit = null;