Info

Test for == and === with the same/diff operand types.

Preparation code

<script>
  var baz0 = "12",
      baz1 = "12",
      buz0 = "13",
      obj0 = { 'foo' : 'bar' },
      obj1 = obj0,
      obk0 = { 'bar' : 'foo' };
</script>

Test runner

Warning! For accurate results, please disable Firebug before running the tests. (Why?)

Java applet disabled.

baz0 === baz1;

baz0 === buz0;

obj0 === obj1;

obj0 === obk0;

Compare results of other browsers

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 by Dmitry A. Soshnikov on 3rd August 2010
• Revision 4: published by Kyle Simpson on 22nd February 2011
• Revision 6: published on 14th April 2011
• Revision 9: published on 4th May 2011
• Revision 10: published by Tobias Reiss on 11th January 2012
• Revision 11: published by Matthew Robb on 14th March 2012
• Revision 12: published on 27th December 2012
• Revision 13: published by Terry Anastasiadis 3 weeks ago

0 comments