1 add jQuery and plug in to the page
<script src="js/jquery.min.js"></script>
<script src="js/jQuery.BlackAndWhite.js"></script>2 add this class to the wrapper of the image that you want make in Black and White
<div class="bwWrapper" >
<img src="path/to/your/image" width="image width" height="image height" / ></div>3 set the wrapper in this way from the css:
.bwWrapper {
position:relative; display:block;}4 initialize the plug in on window load (no $(document).ready()) :
$(window).load(function(){ $(‘.bwWrapper‘).BlackAndWhite({ hoverEffect : true, // default true // set the path to BnWWorker.js for a superfast implementation webworkerPath : false, // for the images with a fluid width and height responsive:true, // this option works only on the modern browsers ( on IE lower than 9 it remains always 1) intensity:1, speed: { //this property could also be just speed: value for both fadeIn and fadeOut fadeIn: 200, // 200ms for fadeIn animations fadeOut: 800 // 800ms for fadeOut animations } }); });
原文：http://www.cnblogs.com/jweb/p/4611171.html