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This article is a detailed introduction to "jQuery how to achieve mouse wheel control picture zoom", the content is detailed, the steps are clear, the details are properly handled, I hope this article "jQuery how to achieve mouse wheel control picture zoom" article can help you solve doubts, the following follow the small series of ideas slowly in-depth, together to learn new knowledge bar.

www.jb51.net Mouse wheel control picture zoom

$(function(){

functionzoomImg(o){

varzoom=parseInt(o.style.zoom,10)||100;

zoom+=event.wheelDelta/2;//can be modified

if(zoom>0)o.style.zoom=zoom+'%';

}

$(document).ready(function(){

$("img").bind("mousewheel",

function(){

zoomImg(this);

returnfalse;

});

});

})

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