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This JavaScript is a clever way of automatically truncating the text of a paragraph on your web page, without dividing in the middle of a word. You can truncate the text to a length of your choosing. A JavaScript link is added to expand the text.

Label: truncate, HTML text, HTML, paragraph, expand, length, word

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JavaScript
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<script type="text/javascript">
// Created by: Patrick Fitzgerald | http://www.barelyfitz.com/

function truncate() {
  var len = 100;
  var p = document.getElementById('truncateMe');
  if (p) {
    var trunc = p.innerHTML;
    if (trunc.length > len) {

      /* Truncate the content of the P, then go back to the end of the
         previous word to ensure that we don't truncate in the middle of
         a word */
      trunc = trunc.substring(0, len);
      trunc = trunc.replace(/w+$/, '');

      /* Add an ellipses to the end and make it a link that expands
         the paragraph back to its original size */
      trunc += '<a href="#" ' +
        'onclick="this.parentNode.innerHTML=' +
        'unescape(''+escape(p.innerHTML)+'');return false;">' +
        '<span style="font-size: 10px;">[ more ... ]</span></a>';
      p.innerHTML = trunc;
    }
  }
}

// Multiple onload function created by: Simon Willison
// http://simon.incutio.com/archive/2004/05/26/addLoadEvent
function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      if (oldonload) {
        oldonload();
      }
      func();
    }
  }
}

addLoadEvent(function() {
  truncate();
});
</script>
	<!--
    	This script downloaded from www.JavaScriptBank.com
    	Come to view and download over 2000+ free javascript at www.JavaScriptBank.com
	-->

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<p id="truncateMe">
Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aenean consectetuer. Etiam venenatis. Sed ultricies, pede sit amet aliquet lobortis, nisi ante sagittis sapien, in rhoncus lectus mauris quis massa. Integer porttitor, mi sit amet viverra faucibus, urna libero viverra nibh, sed dictum nisi mi et diam. Nulla nunc eros, convallis sed, varius ac, commodo et, magna. Proin vel risus. Vestibulum eu urna. Maecenas lobortis, pede ac dictum pulvinar, nibh ante vestibulum tortor, eget fermentum urna ipsum ac neque. Nam urna nulla, mollis blandit, pretium id, tristique vitae, neque. Etiam id tellus. Sed pharetra enim non nisl.</p>
	<!--
    	This script downloaded from www.JavaScriptBank.com
    	Come to view and download over 2000+ free javascript at www.JavaScriptBank.com
	-->

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18/05/2008
Patrick Fitzgerald [more]
36,504
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JavaScript Truncate HTML Text - Language: English

3.8/5 36 votes / 36,504 previews / 16 comment 18/05/2008 This JavaScript is a clever way of automatically truncating the text of a paragraph on your w...JavaScript Truncate HTML Text - Truncate HTML Text - Language: English

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