鼠标滚动事件兼容性 wheel、onwheel

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wheelEvent = "onwheel" in document.createElement("div") ? "wheel" : // Modern browsers support "wheel"

document.onmousewheel !== undefined ? "mousewheel" : // Webkit and IE support at least "mousewheel"

"DOMMouseScroll"; //滚动事件的兼容

$scrollbar.addEventListener(wheelEvent,function(){ $("#tl_listgroup").css("top","0px"); },false)

鼠标滚动事件兼容性 wheel、onwheel

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原文地址：http://www.cnblogs.com/garfieldzhong/p/4769496.html