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Javascript >> Images

How do I preload images?

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Description

Client side JavaScript starting with JavaScript 1.1 (NN3+, IE4+) has
the Image object for that.

You create an Image object and preload an image with
if (document.images) {
var image = new Image();
image.src = 'whatever.gif';
}

Then the image is asynchronically downloaded while the rest of the
script/page is processed. You can then use that Image object in an
onmouseover for e.g. see the sample code

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