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edit approved May 23, 2014 at 7:00
user3082537
edit approved May 23, 2014 at 7:00
user3082537
  • 3
  • 1

HTML+Javascript, 73 6260 characters

<script>setTimeout("open('','_self','');close()",3e3)</script>Hello world

This works in Chrome, but may not be portable to other browsers.

Suggestions from the comments take this further:

<body onload=open('',name=0),setTimeoutname=setTimeout(close,3e3))>Hello world

HTML+Javascript, 73 62 characters

<script>setTimeout("open('','_self','');close()",3e3)</script>Hello world

This works in Chrome, but may not be portable to other browsers.

Suggestions from the comments take this further:

<body onload=open('',name=0),setTimeout(close,3e3)>Hello world

HTML+Javascript, 73 60 characters

<script>setTimeout("open('','_self','');close()",3e3)</script>Hello world

This works in Chrome, but may not be portable to other browsers.

Suggestions from the comments take this further:

<body onload=open('',name=setTimeout(close,3e3))>Hello world
added 142 characters in body
Source Link
Greg Hewgill
Greg Hewgill
  • 2.7k
  • 12
  • 21

HTML+Javascript, 7373 62 characters

<script>setTimeout("open('','_self','');close()",3e3)</script>Hello world

This works in Chrome, but may not be portable to other browsers.

Suggestions from the comments take this further:

<body onload=open('',name=0),setTimeout(close,3e3)>Hello world

HTML+Javascript, 73 characters

<script>setTimeout("open('','_self','');close()",3e3)</script>Hello world

This works in Chrome, but may not be portable to other browsers.

HTML+Javascript, 73 62 characters

<script>setTimeout("open('','_self','');close()",3e3)</script>Hello world

This works in Chrome, but may not be portable to other browsers.

Suggestions from the comments take this further:

<body onload=open('',name=0),setTimeout(close,3e3)>Hello world
Added code colorization
Source Link
edit approved May 22, 2014 at 18:28
A.L
edit approved May 22, 2014 at 18:28
A.L
  • 1.3k
  • 1
  • 14
  • 28

HTML+Javascript, 73 characters

HTML+Javascript, 73 characters

<script>setTimeout("open('','_self','');close()",3e3)</script>Hello world

<script>setTimeout("open('','_self','');close()",3e3)</script>Hello world

This works in Chrome, but may not be portable to other browsers.

HTML+Javascript, 73 characters

<script>setTimeout("open('','_self','');close()",3e3)</script>Hello world

This works in Chrome, but may not be portable to other browsers.

HTML+Javascript, 73 characters

<script>setTimeout("open('','_self','');close()",3e3)</script>Hello world

This works in Chrome, but may not be portable to other browsers.

deleted 23 characters in body
Source Link
Greg Hewgill
Greg Hewgill
  • 2.7k
  • 12
  • 21
Source Link
Greg Hewgill
Greg Hewgill
  • 2.7k
  • 12
  • 21