Preparation code

<script>
  function ana(str, str2) {
   return str.split('').sort().join('') == str2.split('').sort().join('');
  }
  
  function ana2(str, str2) {
   if (str.length != str2.length) return false;
  
   var table = {};
  
   for (var i = 0; i < str.length; i++) {
    table[str[i]] = table[str[i]] ? table[str[i]] + 1 : 1;
    table[str2[i]] = table[str2[i]] ? table[str2[i]] - 1 : -1;
   }
  
   for (var k in table)
   if (table[k] != 0) return false;
  
   return true;
  }

  function ana3(str, str2) {
   var len = str.length;

   if (len !== str2.length) return false;
  
   var table = new Object();
  
   for (var c1, c2, i=0; i<len; i++) {
    c1 = str[i];
    c2 = str2[i];
    table[c1] = table[c1] ? table[c1] + 1 : 1;
    table[c2] = table[c2] ? table[c2] - 1 : -1;
   }
  
   for (var k in table)
    if (table[k] !== 0) return false;
  
   return true;
  }
</script>

Test runner

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Java applet disabled.

ana('hello', 'ehlol');
ana('hellfo', 'ehlol');
ana('hefllo', 'ehlogl');

ana2('hello', 'ehlol');
ana2('hellfo', 'ehlol');
ana2('hefllo', 'ehlogl');

ana3('hello', 'ehlol');
ana3('hellfo', 'ehlol');
ana3('hefllo', 'ehlogl');

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Revisions

You can edit these tests or add even more tests to this page by appending /edit to the URL. Here’s a list of current revisions for this page:

• Revision 1: published on 28th September 2010
• Revision 7: published on 17th February 2013
• Revision 8: published on 17th February 2013

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