Copy to clipboard using Zeroclipboard and jquery

The ZeroClipboard library provides an easy way to copy text to the clipboard using an invisible Adobe Flash movie and a JavaScript interface. The "Zero" signifies that the library is invisible and the user interface is left entirely up to you.
This is achieved by automatically floating the invisible movie on top of a DOM element of your choice. Standard mouse events are even propagated out to your DOM element, so you can still have rollover and mousedown effects.    
The zeroclipboard cdn you can find from here 

 The script.
    
$(document).ready(function () {
$("#btnCopy").click(function () {
 var clip = new ZeroClipboard($("#btnCopy"), { moviePath: "http://davidwalsh.name/demo/ZeroClipboard.swf" });
clip.setText($("#spn").text());
    });
});

 The html.
    
  <span id="spn">hi</span>
  <input type="button" id="btnCopy" value="Copy to Clipboard" />
       
To know more go to Github.

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