Eventful JavaScript Wednesday evening, 6 July 2005

In fixing an existing script I came across the need to determine what event fired the script. The case was a roll over which used the same function to swap the image source (applied to both mouseover and mouseout). The problem was if the mouse was over the image while it loaded, the image roll over got stuck back to front!

It took me a while to figure out how to get it going so I could use a single event object in both Internet Explorer and Firefox flavours of browsers so I thought I'd share the ultimately fairly simple fix with you

function someFunction(e)
{
    if(!e)    {
        e = event;
    }
    // do stuff with e
    // etc etc
}

The event object 'e' can now be used in any modern browser, enjoy!

 

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