Simulate hover using JavaScript events

Question

Is it possible to simulate hover using JavaScript Events? I tried injecting mouseover event on the target element but no luck.

For example, if there is a link that

Answer 1

The jQuery hover event is just using mouseenter and mouseleave events. Here is the source of jQuery's hover:

function (fnOver, fnOut) {
    return this.mouseenter(fnOver).mouseleave(fnOut || fnOver);
}