JS 绑定事件的兼容代码


function addEvent(elem, type, handle) {
    if (elem.addEventListener) { //非ie和非ie9
        elem.addEventListener(type, handle, false);
    } else if (elem.attachEvent) { //ie6到ie8
        elem.attachEvent('on' + type, function () {
            handle.call(elem);
        })
    } else {
        elem['on' + type] = handle;
    }
}


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