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professional-javascript-10-DOMRangeExample9.htm / htm



  <html>
      <head>
          <title>DOM Range Example</title>
          <script type="text/javascript">
              function compare() {
                  var oRange1 = document.createRange();
                  var oRange2 = document.createRange();
                  var oP1 = document.getElementById("p1");
                  oRange1.selectNodeContents(oP1);
                  oRange2.selectNodeContents(oP1);
                  oRange2.setEndBefore(oP1.lastChild);
                  alert(oRange1.compareBoundaryPoints(Range.START_TO_START, oRange2));  //outputs 0
                  alert(oRange1.compareBoundaryPoints(Range.END_TO_END, oRange2));      //outputs 1;
              }
          </script>
      </head>
      <body><p id="p1"><b>Hello</b> World</p>
          <input type="button" value="Compare Ranges" onclick="compare()" />  
          <p><strong>Note:</strong> This example uses DOM ranges and will only work in browsers that support DOM ranges. This example will fail in Internet Explorer.</p>
        
      </body>
  </html>
  


(C) Æliens 20/2/2008

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