Javascript prevents javascript events from bubbling and gets the control ID value_javascript skills

1. How to prevent events from bubbling

Copy code The code is as follows:

//Non-IE
if (event && event.stopPropagation)
event.stopPropagation();
else//IE
window.event.cancelBubble = true;

2. Get the control ID

Copy the code The code is as follows:

if (document.all) {
//IE
alert(event.srcElement.tagName ":" event.srcElement.id);
}
else {
//Firefox
alert(event.target.tagName ":" event.target.id);
}