JS判断屏幕分辨率
<script>
function ScreenWidth(){
if (screen.width == 1440){
alert("1440*900");
}else if (screen.width == 800){
alert("800*600");
}else if (screen.width == 1152){
alert("1152*864");
}else {
alert("未知分辨率");
}
}
</script>
<input type="button" name="" value="fenbianli " onclick=" ScreenWidth()"/>
