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 <html>
 <body>
 <p id="myElement">Sample text, try to select part of it</p>
 <script language="JavaScript">
 function function1() {
 myElement.setAttribute("unselectable", "off", 0);
 document.expando = true;
 }
 function function2() {
 myElement.setAttribute("unselectable", "on", 0);
 document.expando = true;
 }
 </script>
 <button onclick="function2();">Unselectable</button>
 <button onclick="function1();">Selectable</button>
 </body>
 </html>
 
 
 
 
 
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