Event
cancelBubble
設定或擷取當前事件是否要在事件控制代碼中向上冒泡。
Sets or retrieves whether the current event should bubble up the hierarchy of event handlers.
<SCRIPT LANGUAGE="JScript">
function checkCancel() {
if (window.event.shiftKey) //只要你按著shift鍵，就不會再觸發BODY 的onclick了
window.event.cancelBubble = true;
}
function showSrc() {
if (window.event.srcElement.tagName == "IMG")
alert(window.event.srcElement.src);
}
</SCRIPT>
<BODY onclick="showSrc()">
<IMG onclick="checkCancel()" src="sample.gif">
用途：阻止父控制項或以上層控制項觸發相應事件
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