低调是因为没有随时高调的资本var width(screen.width-798)/2var height(screen.height-503)/2*0.7doc
低调是因为没有随时高调的资本
var width=(screen.width-798)/2;
var height=(screen.height-503)/2*0.7;
document.getElementById('maindiv').style.left=width+'px';
document.getElementById('maindiv').style.top=height+'px';