Created
February 13, 2014 04:02
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset=utf-8 /> | |
| <title>JS Bin</title> | |
| </head> | |
| <body> | |
| </body> | |
| </html> |
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| $ = ~[]; // -1 | |
| $ = { | |
| ___: ++$, // 0 | |
| $$$$: (![] + "")[$], // "f" | |
| __$: ++$, // 1 | |
| $_$_: (![] + "")[$], // "a" | |
| _$_: ++$, // 2 | |
| $_$$: ({} + "")[$], // "b" | |
| $$_$: ($[$] + "")[$], // "d" | |
| _$$: ++$, // 3 | |
| $$$_: (!"" + "")[$], // "e" | |
| $__: ++$, // 4 | |
| $_$: ++$, // 5 | |
| $$__: ({} + "")[$], // "c" | |
| $$_: ++$, // 6 | |
| $$$: ++$, // 7 | |
| $___: ++$, // 8 | |
| $__$: ++$ // 9 | |
| }; | |
| // in object $'s key name, $ represents 1, _ represents 0. Hence produce from 0 to 16. | |
| $.$_ = ($.$_ = $ + "")[$.$_$] + ($._$ = $.$_[$.__$ ]) + ($.$$ = ($.$ + "")[$.__$]) + ((!$) + "")[$._$$] + ($.__ = $.$_[$.$$_]) + ($.$ = (!"" + "")[$.__$]) + ($._ = (!"" + "")[ $._$_]) + $.$_[ $.$_$ ] + $.__ + $._$ + $.$; | |
| /* extend global $ with the following map: | |
| { | |
| $_: "constructor", | |
| _$: "o", | |
| $$: "n", | |
| __: "t", | |
| $: "r", | |
| _: "u" | |
| } | |
| $.$_ === "constructor", which can be used to extract needed function. | |
| */ | |
| $.$$ = $.$ + (!"" + "")[$._$$] + $.__ + $._ + $.$ + $.$$; // redefine $.$$ as "return" | |
| $.$ = ($.___)[$.$_][$.$_]; // redefine $.$ as constructor Function | |
| $.$( // calling Function to produce function_1 | |
| $.$( // calling Function to produce function_2 | |
| $.$$ + "\"" + $.$_$_ + (![] + "")[$._$_] + $.$$$_ + "\\" + $.__$ + $.$$_ + $._$_ + $.__ + "(\\\"\\" + $.__$ + $.__$ + $.__$ + "\\" + $.$__ + $.___ + (![] + "")[$._$_] + $._$ + "\\" + $.__$ + $.$$_ + $.$$_ + $.$$$_ + "\\" + $.$__ + $.___ + "\\" + $.__$ + $.$$$ + $.__$ + $._$ + $._ + ".\\\"\\" + $.$__ + $.___ + ")" + "\"" | |
| // "return\"ale\\162t(\\\"\\111\\40lo\\166e\\40\\171ou.\\\"\\40)\"" | |
| )() // calling function_2, return a string : "alert(\"I love you.\" )" | |
| )(); // calling function_1, alert("I love you." ) |
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