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| $ = ~[]; | |
| /* | |
| * $ = -1 | |
| */ | |
| $ = { | |
| ___:++$, // $.___ = $ = 0 | |
| $$$$: (![] + "")[$], // $.$$$$ = "false"[0] = "f" unused | |
| __$: ++$, // $.__ = $ = 1 | |
| $_$_: (![] + "")[$], // $.$_$_ = "false"[1] = "a" | |
| _$_: ++$, // $._$_ = $ = 2 | |
| $_$$: ({} + "")[$], // $.$_$$ = "[object Object]"[2] = "b" unused | |
| $$_$:($[$] + "")[$], // $.$$_$ = "undefined"[2] = "d" unused | |
| _$$:++$, // $._$$ = $ = 3 | |
| $$$_: (!"" + "")[$], // $.$$$_ = "true"[3] = "e" | |
| $__:++$, // $.$__ = $ = 4 | |
| $_$: ++$, // $.$_$ = $ = 5 | |
| $$__: ({} + "")[$], // $.$$__ = "[object Object]"[5] = "c" unused | |
| $$_: ++$, // $.$$_ = $ = 6 | |
| $$$: ++$, // $.$$$ = $ = 7 | |
| $___: ++$, // $.$___ = $ = 8 | |
| $__$: ++$ // $.$__$ = $ = 9 | |
| }; | |
| /* | |
| * build digit and data | |
| */ | |
| $.$_ = | |
| ($.$_ = $ + "")[$.$_$] + // $.$_ = "[object Object]" | |
| // "[object Object]"[5] = "c" | |
| ($._$ = $.$_[$.__$]) + // $._$ = "[object Object]"[1] = "o" | |
| ($.$$ = ($.$ + "")[$.__$]) + // $.$$ = "undefined"[1] = "n" | |
| ((!$) + "")[$._$$] + // "false"[3] = "s" | |
| ($.__ = $.$_[$.$$_]) + // $.__ = "[object Object]"[6] = "t" | |
| ($.$ = (!"" + "")[$.__$]) + // $.$ = "true"[1] = "r" | |
| ($._ = (!"" + "")[$._$_]) + // $._ = "true"[2] = "u" | |
| $.$_[$.$_$] + // "[object Object]"[5] = "c" | |
| $.__ + // "t" | |
| $._$ + // "o" | |
| $.$; // "r" | |
| /* | |
| * $.$_ = "constructor" | |
| */ | |
| $.$$ = | |
| $.$ + // "r" | |
| (!"" + "")[$._$$] + // "true"[3] = "e" | |
| $.__ + // "t" | |
| $._ + // "u" | |
| $.$ + // "r" | |
| $.$$; // "n" | |
| /* | |
| * $.$$ = "return" | |
| */ | |
| $.$ = | |
| ($.___)[$.$_][$.$_]; // (0)["constructor"]["constructor"] | |
| /* | |
| * $.$ = function Function(){ [native code] } | |
| */ | |
| $.$( // Function( | |
| $.$( // Function( | |
| $.$$ + // "return | |
| "\"" + // "\"" | |
| $.$_$_ + // "a" | |
| (![] + "")[$._$_] + // "l" | |
| $.$$$_ + // "e" | |
| "\\" + // "\\" | |
| $.__$ + // "1" | |
| $.$$_ + // "6" | |
| $._$_ + // "2" | |
| $.__ + // "t" | |
| "(\\\"\\" + // "(\\\"\\" | |
| $.__$ + // "1" | |
| $.__$ + // "1" | |
| $.__$ + // "1" | |
| "\\" + // "\\" | |
| $.$__ + // "4" | |
| $.___ + // "0" | |
| (![] + "")[$._$_] + // "l" | |
| $._$ + // "o" | |
| "\\" + // "\\" | |
| $.__$ + // "1" | |
| $.$$_ + // "6" | |
| $.$$_ + // "6" | |
| $.$$$_ + // "e" | |
| "\\" + // "\\" | |
| $.$__ + // "4" | |
| $.___ + // "0" | |
| "\\" + // "\\" | |
| $.__$ + // "1" | |
| $.$$$ + // "7" | |
| $.__$ + // "1" | |
| $._$ + // "o" | |
| $._ + // "u" | |
| ".\\\"\\" + // ".\\\"\\"" | |
| $.$__ + // "4" | |
| $.___ + // "0" | |
| ")" + // ")" | |
| "\"" // "\"" | |
| )() // )() | |
| )(); // )(); | |
| /* | |
| * Function( | |
| * Function( | |
| * "return\"ale\\162t(\\\"\\111\\40lo\\166e\\40\\171ou.\\\"\\40)\"" | |
| * )() | |
| * )(); | |
| */ |
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这样js是怎么计算出来呢！可以告诉我一下吗