add or subtract functions from onSubmit event handler?

Question

I have the following code:

function showAddrBox() {
    var prompt = document.getElementById(\'addr_prompt\');
    prompt.style.display = \'block\';
    docu         


        

Answer 1

Use element.addEventListener("eventName", callbackFunction, false) and element.removeEventListener("eventName", callbackFunction).

Where eventName is the name of the handler without the 'on'. So onsubmit becomes submit.

For documentation of the two functions, see:

• https://developer.mozilla.org/en/DOM/element.addEventListener
• https://developer.mozilla.org/en/DOM/element.removeEventListener