This test copies all the elements containing event handlers and javascript urls, pastes them in an editable area and verifies that no script, handlers or javascript urls are copied.
Hello 
CNN Hello 
This is a form

Hello 
CNN Hello 
This is a form

<button id="button1" onclick="sayHello()" ondblclick="sayHello()" style="width: 100px;">Hello</button>
<button id="button1" style="width: 100px; ">Hello</button>
<a id="anchor1" href="http://www.cnn.com/">CNN</a>
<a id="anchor1" href="http://www.cnn.com/">CNN</a>
<a id="anchor2" href="javascript:sayHello()">Hello</a>
<a id="anchor2" href="">Hello</a>
<iframe id="iframe1" src="javascript:var x = 1;" style="width: 200px; height: 100px; background-color:#cee;"></iframe>
<iframe id="iframe1" src="" style="width: 200px; height: 100px; background-color: rgb(204, 238, 238); "></iframe>
<form id="form1" action="javascript:sayHello()" style="width: 200px; height: 150px; background-color:#cee;">This is a form<br><img src="../resources/abe.png"></form>
<form id="form1" action="" style="width: 200px; height: 150px; background-color: rgb(204, 238, 238); ">This is a form<br><img src="../resources/abe.png"></form>