Allows you to assign an event handler to an element.

js_addevent.md

addEvent ()

Allows you to assign an event handler to an element.

Code:

function addEvent(obj, eventName, callback){
	if (obj.addEventListener){
		obj.addEventListener(eventName, callback, false);
	} else if (obj.attachEvent){
		obj.attachEvent("on"+eventName, function(e){ return callback.call(obj, e); });
	}
}

Syntax:

void addEvent (element obj, string eventName, function callback)

Case:

obj - The target element.
eventName - The type of event to record.
callback - The function that will be executed at the outbreak of the event.

Return Values:

No value is returned.

Example with addEvent ()

addEvent(window, "load", function() {
    alert("the page has successfully loaded!");
});