mousecapture.htm
来自「Windows Web脚本开发指南/(美) Dan Heflin, Todd N」· HTM 代码 · 共 35 行
HTM
35 行
<html>
<script>
var activeMenu = null;
function displayMenu(){
if (event.srcElement == menu){
if (activeMenu == null){
newElement = document.createElement("DIV");
newElement.style.width = 100;
newElement.style.backgroundColor = "lightblue";
newElement.innerHTML = "New";
body.appendChild(newElement);
menu.setCapture(true);
activeMenu = newElement;
}
}
else
if (event.srcElement == activeMenu)
alert("The New menu has been clicked");
else
menu.releaseCapture();
}
function closeCapture(){
body.removeChild(activeMenu);
activeMenu = null;
}
</script>
<body id="body">
<p>Click on the File Menu above to see the child element</p>
<DIV id="menu" onloseCapture="closeCapture()" onClick="displayMenu()"
style="background:lightblue">File</DIV>
</body>
</html>
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