Preparation code

<script>
  var array //to stop memory leak
</script>
    

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[1, 2, 3].indexOf(2)

new Array(1, 2, 3).indexOf(2)

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Revisions

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• Revision 1: published on 2010-10-4
• Revision 3: published on 2013-8-6
• Revision 5: published on 2014-3-6
• Revision 7: published on 2016-2-24

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