Event event_javascript skills under ie and ff

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In addition, use srcElement in IE to obtain the event trigger source, and use target in FF. Therefore, relevant browser compatibility needs to be done when using these two objects.

<meta http-equiv="Content-Type" content="text/html; charset=gb2312"> <title>srcElement --http://www.jb51.net/</title> <button id="btn" onclick="Click(event)"> </button>Click