Javascript prevents event bubbling and default browser behavior

Http://www.aspxhome.com/javascript/skills/200712/262128.htm

That is to say, the mouse event that uses the DIV to frame the flash div is not passed to the body.

Record the methods mentioned in this Article /*---------------------------
Function: Stop event bubbling.
---------------------------*/
Function Stopbubble (E) {
// If an event object is provided, this is a non-IE browser.
If (E && E. stoppropagation)
// Therefore, it supports the W3C stoppropagation () method.
E. stoppropagation ();
Else
// Otherwise, we need to use IE to cancel event bubbling.
Window. event. cancelbubble = True ;
}
// Block default browser behavior
Function Stopdefault (E) {
// Blocking default browser actions (W3C)
If (E && E. preventdefault)
E. preventdefault ();
// How to block the default action of the function in IE
Else
Window. event. returnvalue = False ;
Return False ;
}

Usage

// Monitors when users move their mouse over elements,
// Add a red border for this element
Uniondom [I]. onmouseover = Function (E) {
This. Style. Border= "1px solid red";
Stopbubble (E );
} ;
// Monitors when users move the mouse out of elements,
// Delete the red border we added
Uniondom [I]. onmouseout = Function (E) {
This. Style. Border= "0px";
Stopbubble (E );
} ;

Unicondom [I] is an HTML tag of the page.