Div 弹出屏幕居中
JS控制id 为”divv”的层在屏幕中间
function show(){
var width=document.getElementById(“divv”).style.width;
var height=document.getElementById(“divv”).style.height;
with(document.getElementById(“divl”).style){
left = (window.screen.width-width)/2+document.documentElement.scrollLeft;
top = (window.screen.height-height)/2+document.documentElement.scrollTop;
position=\’absolute\’
zIndex = 1001
}
document.getElementById(“divv”).style.display = “block”;
}