JavaScript- 纯JS遮罩层-弹出框
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
<head>
<title>Untitled</title>
</head>
<script type="text/javascript">
var docEle = function() {
return document.getElementById(arguments[0]) || false;
}
function openNewDiv(_id){
var m = "mask";
if (docEle(_id)) document.body.removeChild(docEle(_id));
if (docEle(m)) document.body.removeChild(docEle(m));
//mask遮罩层
var newMask = document.createElement("div");
newMask.id = m;
newMask.style.position = "absolute";
newMask.style.zIndex = "1";
_scrollWidth = Math.max(document.body.scrollWidth,document.documentElement.scrollWidth);
_scrollHeight = Math.max(document.body.scrollHeight,document.documentElement.scrollHeight);
newMask.style.width = _scrollWidth + "px";
newMask.style.height = _scrollHeight + "px";
newMask.style.top = "0px";
newMask.style.left = "0px";
newMask.style.background = "yellow";
newMask.style.filter = "alpha(opacity=40)";
newMask.style.opacity = "0.40";
document.body.appendChild(newMask);
//新弹出层
var newDiv = document.createElement("div");
newDiv.id = _id;
newDiv.style.position = "absolute";
newDiv.style.zIndex = "9999";
newDivWidth = 400;
newDivHeight = 200;
newDiv.style.width = newDivWidth + "px";
newDiv.style.height = newDivHeight + "px";
newDiv.style.top = (document.body.scrollTop + document.body.clientHeight/2 - newDivHeight/2) + "px";
newDiv.style.left = (document.body.scrollLeft + document.body.clientWidth/2 - newDivWidth/2) + "px";
newDiv.style.background = "#EFEFEF";
newDiv.style.border = "0px solid #860001";
newDiv.style.padding = "5px";
var part = "<table style='border:1px;width:300px;'>";
part+="<TR><TD><input type='button' value='ssss' onclick=\"ss(this,'tx');\"></TD><TD>2</TD><TD>3</TD></TR></table>";
newDiv.innerHTML = part;
document.body.appendChild(newDiv);
//弹出层滚动居中
function newDivCenter() {
newDiv.style.top = (document.body.scrollTop + document.body.clientHeight/2 - newDivHeight/2) + "px";
newDiv.style.left = (document.body.scrollLeft + document.body.clientWidth/2 - newDivWidth/2) + "px";
}
if(document.all) {
window.attachEvent("onscroll",newDivCenter);
}else {
window.addEventListener('scroll',newDivCenter,false);
}
//关闭新图层和mask遮罩层
var newA = document.createElement("a");
newA.href = "#";
newA.innerHTML = "关闭";
newA.onclick = function() {
if(document.all) {
window.detachEvent("onscroll",newDivCenter);
}else {
window.removeEventListener('scroll',newDivCenter,false);
}
document.body.removeChild(docEle(_id));
document.body.removeChild(docEle(m));
return false;
}
newDiv.appendChild(newA);
}
</script>
<script type="text/javascript">
function ss(obj,oo){
alert(111);
alert(obj.value);
document.getElementById(oo).value=obj.value;
}
</script>
<body>
<input id="tx"/>
<a onclick="openNewDiv('newDiv');return false;" style="cursor:pointer">弹出遮罩层</a>
<input type="button" value="ss" onclick='ss(this,"tx");'>
</body>
</html>
直接贴代码可运行。。