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Prototype truncate() Method


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This method truncates a string to the given length and appends a suffix to it (indicating that it is only an excerpt).

If unspecified, the length parameter defaults to 30 and the suffix to "...".

Syntax:

string.truncate([length = 30[, suffix = '...']]) ;

Return Value:

  • Returns a truncated string.

Example:

<html>
<head>
<title>Prototype examples</title>
<script type="text/javascript" 
   src="/javascript/prototype.js">
</script>
<script>

function showResult(){
   var str = 'A random sentence whose length exceeds 30 characters.';

   alert("str.truncate() : " + str.truncate() );
   alert("str.truncate( 10 ) : " + str.truncate(10) );
   alert("str.truncate( 10, '...') : " + 
          str.truncate(10, '...') );
}

</script>
</head>

<body>

  <p>Click the button to see the result.</p>
  <br />
  <br />
  <input type="button" value="Result" onclick="showResult();"/>

</body>
</html>

To understand it in better way you can Try it yourself.



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