githab
/
Inputmask


			
				
					
						
						
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							<!DOCTYPE html>
<html>

<head>
  <!--<meta http-equiv="Content-Security-Policy" content="script-src 'self'">-->
  <!--<link rel="stylesheet" type="text/css" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.14/themes/base/jquery-ui.css" />
    <link rel="stylesheet" type="text/css" href="http://trirand.com/blog/jqgrid/themes/ui.jqgrid.css" />-->
</head>

<body>
  <input type="text" id="test1" />
  <input id="button1" type="button" value="Add" />
  <input id="button2" type="button" value="Remove" />
  <script>
    var el = document.getElementById("test1");
    var button1 = document.getElementById("button1");
    var button2 = document.getElementById("button2");

    function maskscope() {
      return function() {
        alert("test");
      }
    }
    button1.addEventListener("click", function(e) {
      el.addEventListener("click", new maskscope(), false);
    });
    button2.addEventListener("click", function(e) {
      el.removeEventListener("click", new maskscope(), false);
    });
  </script>
</body>

</html>