Tutorial 16.1 HTML Compiler example

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******************************************INDEX.HTML*****************************************************
<!doctype html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Example - example-draggable-production</title>
 

  <script src="//code.angularjs.org/snapshot/angular.min.js"></script>
  <script src="script.js"></script>
 

 
</head>
<body ng-app="drag">
  <span draggable>Drag ME</span>
</body>
</html>


******************************************INDEX.HTML*****************************************************
********************************************script.js***************************************************
(function(angular) {
  'use strict';
angular.module('drag', []).
  directive('draggable', function($document) {
    return function(scope, element, attr) {
      var startX = 0, startY = 0, x = 0, y = 0;
      element.css({
       position: 'relative',
       border: '1px solid red',
       backgroundColor: 'lightgrey',
       cursor: 'pointer',
       display: 'block',
       width: '65px'
      });
      element.on('mousedown', function(event) {
        // Prevent default dragging of selected content
        event.preventDefault();
        startX = event.screenX - x;
        startY = event.screenY - y;
        $document.on('mousemove', mousemove);
        $document.on('mouseup', mouseup);
      });

      function mousemove(event) {
        y = event.screenY - startY;
        x = event.screenX - startX;
        element.css({
          top: y + 'px',
          left:  x + 'px'
        });
      }

      function mouseup() {
        $document.off('mousemove', mousemove);
        $document.off('mouseup', mouseup);
      }
    };
  });
})(window.angular);

********************************************script.js***************************************************

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