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JavaScript Word Count

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Javascript code for counting the number of words in a sentence. It can be used to allow only a certain number of words.

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Copy this code and paste it in your HTML 
  1. function WordCount() {
  2.     var wordsallowed = 300;
  3.     var inp = document.getElementById('txtabstract').value;
  4.  
  5.     var regex = /\s+/gi;
  6.     var wordcount = jQuery.trim(inp).replace(regex, ' ').split(' ').length;
  7.     if (wordcount <= wordsallowed) {
  8.         chars = inp.length;
  9.     } else {
  10.         var text = inp.val();
  11.         var new_text = text.substr(0, chars);
  12.         document.getElementById('txtabstract').value=new_text;
  13.         wordcount--;
  14.     }
  15.     $("#labelcount").html(wordcount);
  16. }

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