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A few JavaScript quines
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// Today, I noticed that someone favorited this tweet of mine from 2012: | |
// https://twitter.com/cowboy/status/232587756486938624 | |
// !function $(){console.log('!'+$+'()')}() #quine | |
// So I fooled around for a little bit: | |
// Shortest JavaScript quine? | |
(function _(){return'('+_+')()'})() | |
// Have fun with this one! | |
(function $($_$,_,_$,_$_,$_){return[_=_[$_$](_$[$_++])][_[$_++]][_[$_++]]([][_[$_--]][_[$_++]](_$_,function($$){return _$[$$]||[$_,_$_,_,$_$,$][$_--]},$_++),_[++$_])})('split',',join,call,map',',()\'\\','1821383038303012434430383082',0) |
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// Test a quine like so: | |
a= your_quine_code | |
a===eval(a) // must be true | |
// Eg. | |
a= (function _(){return'('+_+')()'})() | |
a===eval(a) // true |
// Never ending eval...
let x ="let x =%22quinner%22;let y=decodeURI(x).replace(/quinner/, x);alert(y);eval(y);";let y=decodeURI(x).replace(/quinner/, x);alert(y);eval(y);
// Never ending eval...
let x ="let x =%22quinner%22;let y=decodeURI(x).replace(/quinner/, x);alert(y);eval(y);";let y=decodeURI(x).replace(/quinner/, x);alert(y);eval(y);
A quine in programming is a self-replicating code that, when executed, produces retro bowl its own source code as the output.
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without equality sign and function keyword