Case-Insensitive Comparison for the Array.Sort Method : Array « Language Basics « JavaScript DHTML






  1. JavaScript DHTML
  2. Language Basics
  3. Array

Case-Insensitive Comparison for the Array.Sort Method

  
<HTML>
<HEAD>
<TITLE> 
Case-insensitive comparison 
</TITLE>
<HEAD>
<BODY>
<H1>
<SCRIPT> 
   var theArray = new Array("a","N","Mo","T", "Mr. Smith", "N", "n", "A",2); 
    document.write ("Original array: " + theArray); 
    document.write ("<br>"); 
    theArray.sort(); 
    document.write ("Default Sorted array: " + theArray); 
    document.write ("<br>"); 
    theArray.sort(function(x,y){ 
      var a = String(x).toUpperCase(); 
      var b = String(y).toUpperCase(); 
      if (a > b) 
         return 1 
      if (a < b) 
         return -1 
      return 0; 
    }); 
    document.write ("Custom sorted array: " + theArray); 
   </SCRIPT>
</H1>
</BODY>
</HTML>








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