js弹出框代码 弹出层代码

var $bodyDimensions = function (win) { win = win || window; var doc = win.document; var cw = doc.compatMode == "BackCompat" ? doc.body.clientWidth : doc.documentElement.clientWidth; var ch = doc.compatMode == "BackCompat" ? doc.body.clientHeight : doc.documentElement.clientHeight;