if( window.addEventListener ){
// IE
win.addEventListener( "resize", callMedia, false );
}
else if( window.attachEvent ){
//非IE
win.attachEvent( "onresize", callMedia );
}
使用window.addEventListener 和 window.attachEvent 判断浏览器
原文：http://www.cnblogs.com/qiuyueguangxuan/p/4607579.html