selecting text by ignoring inner Elements of div tag javascript

Posted by sugar on Stack Overflow See other posts from Stack Overflow or by sugar
Published on 2010-06-01T13:17:40Z Indexed on 2010/06/01 13:23 UTC
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<html>
<body>
<script language="javascript">
function getSelectionHTML()
    {
        var div = document.getElementById("myDiv").childNodes;

        if (document.createRange) { 
            var textNode=div.firstChild;
            var rangeObj=document.createRange();
            rangeObj.setStart(textNode,0);
            rangeObj.setEnd(textNode,10);
            selRange.collapse(true);
            var elem = document.getElementById('myDiv')
  elem .innerHTML = elem .innerHTML.replace(rangeObj.toString(), '<span style="background-color: lime">'+rangeObj.toString()+'</span>')
        }
    }
</script>
<div id="myDiv">
asdf as<b>dfas df asf asdf sdfjk  dvh a sjkh jhcdjkv</b> iof scjahjkv ahsjv hdjk biud fcsvjksdhf k

</div>
<form name="aform">
<input type="button" value="Get selection" onclick="getSelectionHTML()">
</body>
</html>

Ok. Let me explain -> getSelectionHTML() method is for selection of characters from 0 to 10. I am getting the values by "myDiv" id. but inner bold, italic & other tags are putting me in trouble.

In simple words, I just want to make selection of first ten characters (& apply them span tag) which are in "myDiv" tag.

What exactly I am missing ? Can anyone help me ?

Thanks in advance for sharing your knowledge.

Sagar.

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