How to preload an image in JavaScript or HTML

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By rick
via mkyong.com
Published: Jul 10 2009 / 04:02

Often times, we need to “preload” an image into browser’s cache for performance concern. For instance, we have a mouseover event and the image needs to be update without any delay. This “Preloading” stuff can be achieved in two ways , either JavaScript or HTML code.

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