nbsp;html>
html,body {
margin:0;
height:100%;
}
#test {
width:100%;
height:100%;
background-color:#000;
position:absolute;
top:0;
left:0;
z-index:2;
opacity:0.3;
/*兼容ie8及以下版本浏览器*/
filter: alpha(opacity=30);
display:none;
overflow-y:hidden;
}
#log_window {
width:200px;
height:200px;
background-color:#ff0;
margin: auto;
position: absolute;
z-index:3;
top: 0;
bottom: 0;
left: 0;
right: 0;
display:none;
}
function shield(){
var s = document.getelementbyid(“test”);
s.style.display = “block”;
var l = document.getelementbyid(“log_window”);
l.style.display = “block”;
}
function cancel_shield(){
var s = document.getelementbyid(“test”);
s.style.display = “none”;
var l = document.getelementbyid(“log_window”);
l.style.display = “none”;
}
打开遮罩
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打开遮罩
点击打开遮罩时，可视区变色并且锁定，滚动条不能下拉
回复讨论(解决方案)
nbsp;html>全屏div html,body { margin:0; height:100%;}#test { width:100%; height:100%; background-color:#000; position:fixed; top:0; left:0; z-index:2; opacity:0.3; /*兼容IE8及以下版本浏览器*/ filter: alpha(opacity=30); display:none;overflow-y:hidden;}#log_window { width:200px; height:200px; background-color:#FF0; margin: auto; position:fixed; z-index:3; top: 0; bottom: 0; left: 0; right: 0; display:none;}function shield(){ var s = document.getElementById("test"); s.style.display = "block"; var l = document.getElementById("log_window"); l.style.display = "block";document.getElementById("body").style.overflowY = "hidden";}function cancel_shield(){ var s = document.getElementById("test"); s.style.display = "none"; var l = document.getElementById("log_window"); l.style.display = "none";document.getElementById("body").style.overflowY = "auto";}打开遮罩点击打开遮罩时，可视区变色并且锁定，滚动条不能下拉aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
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