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image javascript mouseover grayscale

Using javascript to show a grey-scale version of an image on mouse-over

发布于 2009-10-29 13:04:06

I need a way to display a grayscale version of an image on mouseover. I've seen this implemented using the Canvas functionality of the browser but don't want to use that method as it will be a while before canvas is implemented on all browsers.

Has anyone done such a thing?

Questioner

Gaurav Sharma

Viewed

0

♦ 2017-05-23 18:28:21

If you don't use Canvas and dont want to utilize browser-specific features, you are going to need to generate your grayscale images on the server. Either beforehand or on demand. How to do That has been answered elsewhere on SO

Chuck Conway 2010-09-09 09:29:27

Not true, check out this javascript library: james.padolsey.com/demos/grayscale

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