IE6, IE7, Firefox javascript code to close window silently_javascript skills

Method 1:
IE6:

[Ctrl A Select all Note: If you need to introduce external Js, you need to refresh to execute

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IE7:

[Ctrl A Select all Note:

If you need to introduce external Js, you need to refresh to execute
]
IE6, IE7 , FF general code:

[Ctrl A Select all Note: If you need to introduce external Js, you need to refresh to execute
]
Second method:


Default Close
<script> window.opener=null; window.close(); </script>Close IE6 <script> window.open('','_self'); window.close(); </script> <script> window.opener=null; window.open('','_self'); window.close(); </script>Close IE7