code reading : javascript code encoded as aaencode

aaencode - Encode any JavaScript program to Japanese style emoticons (^_^)

aaencoded `alert("Hello, JavaScript")`

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ﾟωﾟﾉ= /｀ｍ´）ﾉ ~┻━┻   //*´∇｀*/ ['_'];
 o=(ﾟｰﾟ)  =_=3;
 c=(ﾟΘﾟ) =(ﾟｰﾟ)-(ﾟｰﾟ);
 (ﾟДﾟ) =(ﾟΘﾟ)= (o^_^o)/ (o^_^o);
(ﾟДﾟ)={ﾟΘﾟ: '_' ,ﾟωﾟﾉ : ((ﾟωﾟﾉ==3) +'_') [ﾟΘﾟ] ,ﾟｰﾟﾉ :(ﾟωﾟﾉ+ '_')[o^_^o -(ﾟΘﾟ)] ,ﾟДﾟﾉ:((ﾟｰﾟ==3) +'_')[ﾟｰﾟ] };
 (ﾟДﾟ) [ﾟΘﾟ] =((ﾟωﾟﾉ==3) +'_') [c^_^o];
(ﾟДﾟ) ['c'] = ((ﾟДﾟ)+'_') [ (ﾟｰﾟ)+(ﾟｰﾟ)-(ﾟΘﾟ) ];
(ﾟДﾟ) ['o'] = ((ﾟДﾟ)+'_') [ﾟΘﾟ];
(ﾟoﾟ)=(ﾟДﾟ) ['c']+(ﾟДﾟ) ['o']+(ﾟωﾟﾉ +'_')[ﾟΘﾟ]+ ((ﾟωﾟﾉ==3) +'_') [ﾟｰﾟ] + ((ﾟДﾟ) +'_') [(ﾟｰﾟ)+(ﾟｰﾟ)]+ ((ﾟｰﾟ==3) +'_') [ﾟΘﾟ]+((ﾟｰﾟ==3) +'_') [(ﾟｰﾟ) - (ﾟΘﾟ)]+(ﾟДﾟ) ['c']+((ﾟДﾟ)+'_') [(ﾟｰﾟ)+(ﾟｰﾟ)]+ (ﾟДﾟ) ['o']+((ﾟｰﾟ==3) +'_') [ﾟΘﾟ];
(ﾟДﾟ) ['_'] =(o^_^o) [ﾟoﾟ] [ﾟoﾟ];
(ﾟεﾟ)=((ﾟｰﾟ==3) +'_') [ﾟΘﾟ]+ (ﾟДﾟ) .ﾟДﾟﾉ+((ﾟДﾟ)+'_') [(ﾟｰﾟ) + (ﾟｰﾟ)]+((ﾟｰﾟ==3) +'_') [o^_^o -ﾟΘﾟ]+((ﾟｰﾟ==3) +'_') [ﾟΘﾟ]+ (ﾟωﾟﾉ +'_') [ﾟΘﾟ];
 (ﾟｰﾟ)+=(ﾟΘﾟ);
 (ﾟДﾟ)[ﾟεﾟ]='\\';
 (ﾟДﾟ).ﾟΘﾟﾉ=(ﾟДﾟ+ ﾟｰﾟ)[o^_^o -(ﾟΘﾟ)];
(oﾟｰﾟo)=(ﾟωﾟﾉ +'_')[c^_^o];
(ﾟДﾟ) [ﾟoﾟ]='\"';
(ﾟДﾟ) ['_'] ( (ﾟДﾟ) ['_'] (ﾟεﾟ+(ﾟДﾟ)[ﾟoﾟ]+ (ﾟДﾟ)[ﾟεﾟ]+(ﾟΘﾟ)+ (ﾟｰﾟ)+ (ﾟΘﾟ)+ (ﾟДﾟ)[ﾟεﾟ]+(ﾟΘﾟ)+ ((ﾟｰﾟ) + (ﾟΘﾟ))+ (ﾟｰﾟ)+ (ﾟДﾟ)[ﾟεﾟ]+(ﾟΘﾟ)+ (ﾟｰﾟ)+ ((ﾟｰﾟ) + (ﾟΘﾟ))+ (ﾟДﾟ)[ﾟεﾟ]+(ﾟΘﾟ)+ ((o^_^o) +(o^_^o))+ ((o^_^o) - (ﾟΘﾟ))+ (ﾟДﾟ)[ﾟεﾟ]+(ﾟΘﾟ)+ ((o^_^o) +(o^_^o))+ (ﾟｰﾟ)+ (ﾟДﾟ)[ﾟεﾟ]+((ﾟｰﾟ) + (ﾟΘﾟ))+ (c^_^o)+ (ﾟДﾟ)[ﾟεﾟ]+(ﾟｰﾟ)+ ((o^_^o) - (ﾟΘﾟ))+ (ﾟДﾟ)[ﾟεﾟ]+(ﾟΘﾟ)+ (ﾟΘﾟ)+ (c^_^o)+ (ﾟДﾟ)[ﾟεﾟ]+(ﾟΘﾟ)+ (ﾟｰﾟ)+ ((ﾟｰﾟ) + (ﾟΘﾟ))+ (ﾟДﾟ)[ﾟεﾟ]+(ﾟΘﾟ)+ ((ﾟｰﾟ) + (ﾟΘﾟ))+ (ﾟｰﾟ)+ (ﾟДﾟ)[ﾟεﾟ]+(ﾟΘﾟ)+ ((ﾟｰﾟ) + (ﾟΘﾟ))+ (ﾟｰﾟ)+ (ﾟДﾟ)[ﾟεﾟ]+(ﾟΘﾟ)+ ((ﾟｰﾟ) + (ﾟΘﾟ))+ ((ﾟｰﾟ) + (o^_^o))+ (ﾟДﾟ)[ﾟεﾟ]+((ﾟｰﾟ) + (ﾟΘﾟ))+ (ﾟｰﾟ)+ (ﾟДﾟ)[ﾟεﾟ]+(ﾟｰﾟ)+ (c^_^o)+ (ﾟДﾟ)[ﾟεﾟ]+(ﾟΘﾟ)+ (ﾟΘﾟ)+ ((o^_^o) - (ﾟΘﾟ))+ (ﾟДﾟ)[ﾟεﾟ]+(ﾟΘﾟ)+ (ﾟｰﾟ)+ (ﾟΘﾟ)+ (ﾟДﾟ)[ﾟεﾟ]+(ﾟΘﾟ)+ ((o^_^o) +(o^_^o))+ ((o^_^o) +(o^_^o))+ (ﾟДﾟ)[ﾟεﾟ]+(ﾟΘﾟ)+ (ﾟｰﾟ)+ (ﾟΘﾟ)+ (ﾟДﾟ)[ﾟεﾟ]+(ﾟΘﾟ)+ ((o^_^o) - (ﾟΘﾟ))+ (o^_^o)+ (ﾟДﾟ)[ﾟεﾟ]+(ﾟΘﾟ)+ (ﾟｰﾟ)+ (o^_^o)+ (ﾟДﾟ)[ﾟεﾟ]+(ﾟΘﾟ)+ ((o^_^o) +(o^_^o))+ ((o^_^o) - (ﾟΘﾟ))+ (ﾟДﾟ)[ﾟεﾟ]+(ﾟΘﾟ)+ ((ﾟｰﾟ) + (ﾟΘﾟ))+ (ﾟΘﾟ)+ (ﾟДﾟ)[ﾟεﾟ]+(ﾟΘﾟ)+ ((o^_^o) +(o^_^o))+ (c^_^o)+ (ﾟДﾟ)[ﾟεﾟ]+(ﾟΘﾟ)+ ((o^_^o) +(o^_^o))+ (ﾟｰﾟ)+ (ﾟДﾟ)[ﾟεﾟ]+(ﾟｰﾟ)+ ((o^_^o) - (ﾟΘﾟ))+ (ﾟДﾟ)[ﾟεﾟ]+((ﾟｰﾟ) + (ﾟΘﾟ))+ (ﾟΘﾟ)+ (ﾟДﾟ)[ﾟoﾟ]) (ﾟΘﾟ)) ('_');

Line#1

 ﾟωﾟﾉ= /｀ｍ´）ﾉ ~┻━┻   //*´∇｀*/ ['_'];
// the following is same as above :
 ﾟωﾟﾉ = undefined;

ﾟωﾟﾉ : a global variable.
/｀ｍ´）ﾉ ~┻━┻ / : a RegExp object.
/*´∇｀*/ : an inline comment.
a property "_" is not defined in RegExp class.

Line#2

o=(ﾟｰﾟ)  =_=3;
// the following is same as above:
o = 3;
(ﾟｰﾟ) = 3;
_ = 3;

o,(ﾟｰﾟ), and _ are global variables.
- Note: ｰ in (ﾟｰﾟ) is "U+FF70 HALFWIDTH KATAKANA-HIRAGANA PROLONGED SOUND MARK".

Line#3

c=(ﾟΘﾟ) =(ﾟｰﾟ)-(ﾟｰﾟ);
// the following is same as above:
 c = 0;
  ﾟΘﾟ = 0;     // will be overwrited at line#4

( ﾟｰﾟ) - ( ﾟｰﾟ) #=> 3-3 #=> 0

Line#4

(ﾟДﾟ) =(ﾟΘﾟ)= (o^_^o)/ (o^_^o);
// the following is same as above:
 ﾟΘﾟ = 1;    // overwrite
 ﾟДﾟ = 1;    // will be overwrite at line#5

(o^_^o) #=> (3^3^3) #=> 3
(o^_^o)/(o^_^o) #=> 3/3 #=> 1

Line#5

(ﾟДﾟ)={ﾟΘﾟ: '_' ,ﾟωﾟﾉ : ((ﾟωﾟﾉ==3) +'_') [ﾟΘﾟ] ,ﾟｰﾟﾉ :(ﾟωﾟﾉ+ '_')[o^_^o -(ﾟΘﾟ)] ,ﾟДﾟﾉ:((ﾟｰﾟ==3) +'_')[ﾟｰﾟ] };
// the following is same as above
  ﾟДﾟ = {
    " ﾟΘﾟ": "_",
    " ﾟωﾟﾉ": "a",
    " ﾟｰﾟﾉ": "d",
    " ﾟДﾟﾉ": "e"
  };

ﾟДﾟ is an object (hash).
property " ﾟωﾟﾉ"
- (( ﾟωﾟﾉ == 3) + '_')[ ﾟΘﾟ ] #=> (false+"_")[1] #=> "false_"[1] #=> "a"
property " ﾟｰﾟﾉ"
- ( ﾟωﾟﾉ+ '_')[o^_^o -( ﾟΘﾟ)] #=> (undefined+"_")[3 - 1] #=> "undefined_"[2] #=> "d"
property " ﾟДﾟﾉ"
- (( ﾟｰﾟ==3) +'_')[ ﾟｰﾟ] #=> (true + "_")[3] #=> "true_"[3] #=> "e"

Line#6

 (ﾟДﾟ) [ﾟΘﾟ] =((ﾟωﾟﾉ==3) +'_') [c^_^o];
// the following is same as above:
 ﾟДﾟ[1] = "f";

( ﾟДﾟ) [ ﾟΘﾟ] #=> ﾟДﾟ[1]
(( ﾟωﾟﾉ==3) +'_') [c^_^o] #=> (false+"_")[0^3^3] #=> "false_"[0] #=> "f"

Line#7

(ﾟДﾟ) ['c'] = ((ﾟДﾟ)+'_') [ (ﾟｰﾟ)+(ﾟｰﾟ)-(ﾟΘﾟ) ];
// the following is same as above:
 ﾟДﾟ["c"] = "c";

( ﾟｰﾟ)+( ﾟｰﾟ)-( ﾟΘﾟ) #=> 3 + 3 - 1 #=> 5
(( ﾟДﾟ)+'_') #=> (( ﾟДﾟ).toString()+'_') #=> "[object Object]" + "_"
((ﾟДﾟ)+'_') [ (ﾟｰﾟ)+(ﾟｰﾟ)-(ﾟΘﾟ) ] #=> "[object Object]_"[5] #=> "c"

Line#8

(ﾟДﾟ) ['o'] = ((ﾟДﾟ)+'_') [ﾟΘﾟ];
// the following is same as above:
 ﾟДﾟ["o"] = "o";

(( ﾟДﾟ)+'_')[ ﾟΘﾟ] #=> "[object Object]_"[1] #=> "o"

Line#9

(ﾟoﾟ)=(ﾟДﾟ) ['c']+(ﾟДﾟ) ['o']+(ﾟωﾟﾉ +'_')[ﾟΘﾟ]+ ((ﾟωﾟﾉ==3) +'_') [ﾟｰﾟ] + ((ﾟДﾟ) +'_') [(ﾟｰﾟ)+(ﾟｰﾟ)]+ ((ﾟｰﾟ==3) +'_') [ﾟΘﾟ]+((ﾟｰﾟ==3) +'_') [(ﾟｰﾟ) - (ﾟΘﾟ)]+(ﾟДﾟ) ['c']+((ﾟДﾟ)+'_') [(ﾟｰﾟ)+(ﾟｰﾟ)]+ (ﾟДﾟ) ['o']+((ﾟｰﾟ==3) +'_') [ﾟΘﾟ];
// the following is same as above:
 ﾟoﾟ = "constructor";

( ﾟДﾟ)['c'] #=> "c"
( ﾟДﾟ)['o'] #=> "o"
( ﾟωﾟﾉ +'_')[ ﾟΘﾟ] #=> "undefined"[1] #=> "n"
( ﾟωﾟﾉ==3) +'_') [ ﾟｰﾟ] #=> "false_"[3] #=> "s"
(( ﾟДﾟ) +'_') [( ﾟｰﾟ)+( ﾟｰﾟ)] #=> "[object Object]_"[3+3] #=> "t"
(( ﾟｰﾟ==3) +'_') [ ﾟΘﾟ] #=> "true_"[1] #=> "r"
(( ﾟｰﾟ==3) +'_') [( ﾟｰﾟ) - ( ﾟΘﾟ)] #=> "true_"[3-1] #=> "u"
( ﾟДﾟ)['c'] #=> "c"
(( ﾟДﾟ)+'_')[( ﾟｰﾟ)+( ﾟｰﾟ)] #=> "[object Object]_"[3+3] #=> "t"
( ﾟДﾟ)['o'] #=> "o"
(( ﾟｰﾟ==3) +'_') [ ﾟΘﾟ] #=> "true_"[1] #=> "r"

Line#10

(ﾟДﾟ) ['_'] =(o^_^o) [ﾟoﾟ] [ﾟoﾟ];

(o^_^o)[ ﾟoﾟ] [ ﾟoﾟ] #=> 3["constructor"]["constructor"] #=> Number["constructor"] #=> Function
see also: Function

Line#11

(ﾟεﾟ)=((ﾟｰﾟ==3) +'_') [ﾟΘﾟ]+ (ﾟДﾟ) .ﾟДﾟﾉ+((ﾟДﾟ)+'_') [(ﾟｰﾟ) + (ﾟｰﾟ)]+((ﾟｰﾟ==3) +'_') [o^_^o -ﾟΘﾟ]+((ﾟｰﾟ==3) +'_') [ﾟΘﾟ]+ (ﾟωﾟﾉ +'_') [ﾟΘﾟ];
// the following is same as above:
 ﾟεﾟ = "return";

(( ﾟｰﾟ==3) +'_') [ ﾟΘﾟ] #=> "true_"[1] #=> "r"
( ﾟДﾟ) . ﾟДﾟﾉ #=> ﾟДﾟ[" ﾟДﾟﾉ"] #=> "e"
(( ﾟДﾟ)+'_')[( ﾟｰﾟ) + ( ﾟｰﾟ)] #=> "[object Object]_"[3+3] #=> "t"
(( ﾟｰﾟ==3) +'_')[o^_^o - ﾟΘﾟ] #=> "true_"[3-1] #=> "u"
(( ﾟｰﾟ==3) +'_')[ ﾟΘﾟ] #=> "true_"[1] #=> "r"
( ﾟωﾟﾉ +'_') [ ﾟΘﾟ] #=> "undefined_"[1] #=> "n"

Line#12

 (ﾟｰﾟ)+=(ﾟΘﾟ);
// the following is same as above:
 ﾟｰﾟ = 4;

Line#13

 (ﾟДﾟ)[ﾟεﾟ]='\\';
// the following is same as above:
 ﾟДﾟ["return"]='\\';

Line#14

 (ﾟДﾟ).ﾟΘﾟﾉ=(ﾟДﾟ+ ﾟｰﾟ)[o^_^o -(ﾟΘﾟ)];
// the following is same as above:
 ﾟДﾟ[" ﾟΘﾟﾉ"] = "b";

( ﾟДﾟ+ ﾟｰﾟ)[o^_^o -( ﾟΘﾟ)] #=> "[object Object]4"[3-1] #=> "b"

Line#15

(oﾟｰﾟo)=(ﾟωﾟﾉ +'_')[c^_^o];
// the following is same as above:
o ﾟｰﾟo = "u";

( ﾟωﾟﾉ +'_')[c^_^o] #=> "undefined_"[0^3^3] #=> "undefined_"[0] #=> "u"

Line#16

(ﾟДﾟ) [ﾟoﾟ]='\"';
// the following is same as above:
 ( ﾟДﾟ)["constructor"]='\"';

Line#17

(ﾟДﾟ) ['_'] ( (ﾟДﾟ) ['_'] (ﾟεﾟ+ ... ) (ﾟΘﾟ)) ('_');

Script string

 ﾟεﾟ+(ﾟДﾟ)[ﾟoﾟ]+ (ﾟДﾟ)[ﾟεﾟ]+(ﾟΘﾟ)+ (ﾟｰﾟ)+ (ﾟΘﾟ)+ (ﾟДﾟ)[ﾟεﾟ]+(ﾟΘﾟ)+ ((ﾟｰﾟ) + (ﾟΘﾟ))+ (ﾟｰﾟ)+ (ﾟДﾟ)[ﾟεﾟ]+(ﾟΘﾟ)+ (ﾟｰﾟ)+ ((ﾟｰﾟ) + (ﾟΘﾟ))+ (ﾟДﾟ)[ﾟεﾟ]+(ﾟΘﾟ)+ ((o^_^o) +(o^_^o))+ ((o^_^o) - (ﾟΘﾟ))+ (ﾟДﾟ)[ﾟεﾟ]+(ﾟΘﾟ)+ ((o^_^o) +(o^_^o))+ (ﾟｰﾟ)+ (ﾟДﾟ)[ﾟεﾟ]+((ﾟｰﾟ) + (ﾟΘﾟ))+ (c^_^o)+ (ﾟДﾟ)[ﾟεﾟ]+(ﾟｰﾟ)+ ((o^_^o) - (ﾟΘﾟ))+ (ﾟДﾟ)[ﾟεﾟ]+(ﾟΘﾟ)+ (ﾟΘﾟ)+ (c^_^o)+ (ﾟДﾟ)[ﾟεﾟ]+(ﾟΘﾟ)+ (ﾟｰﾟ)+ ((ﾟｰﾟ) + (ﾟΘﾟ))+ (ﾟДﾟ)[ﾟεﾟ]+(ﾟΘﾟ)+ ((ﾟｰﾟ) + (ﾟΘﾟ))+ (ﾟｰﾟ)+ (ﾟДﾟ)[ﾟεﾟ]+(ﾟΘﾟ)+ ((ﾟｰﾟ) + (ﾟΘﾟ))+ (ﾟｰﾟ)+ (ﾟДﾟ)[ﾟεﾟ]+(ﾟΘﾟ)+ ((ﾟｰﾟ) + (ﾟΘﾟ))+ ((ﾟｰﾟ) + (o^_^o))+ (ﾟДﾟ)[ﾟεﾟ]+((ﾟｰﾟ) + (ﾟΘﾟ))+ (ﾟｰﾟ)+ (ﾟДﾟ)[ﾟεﾟ]+(ﾟｰﾟ)+ (c^_^o)+ (ﾟДﾟ)[ﾟεﾟ]+(ﾟΘﾟ)+ (ﾟΘﾟ)+ ((o^_^o) - (ﾟΘﾟ))+ (ﾟДﾟ)[ﾟεﾟ]+(ﾟΘﾟ)+ (ﾟｰﾟ)+ (ﾟΘﾟ)+ (ﾟДﾟ)[ﾟεﾟ]+(ﾟΘﾟ)+ ((o^_^o) +(o^_^o))+ ((o^_^o) +(o^_^o))+ (ﾟДﾟ)[ﾟεﾟ]+(ﾟΘﾟ)+ (ﾟｰﾟ)+ (ﾟΘﾟ)+ (ﾟДﾟ)[ﾟεﾟ]+(ﾟΘﾟ)+ ((o^_^o) - (ﾟΘﾟ))+ (o^_^o)+ (ﾟДﾟ)[ﾟεﾟ]+(ﾟΘﾟ)+ (ﾟｰﾟ)+ (o^_^o)+ (ﾟДﾟ)[ﾟεﾟ]+(ﾟΘﾟ)+ ((o^_^o) +(o^_^o))+ ((o^_^o) - (ﾟΘﾟ))+ (ﾟДﾟ)[ﾟεﾟ]+(ﾟΘﾟ)+ ((ﾟｰﾟ) + (ﾟΘﾟ))+ (ﾟΘﾟ)+ (ﾟДﾟ)[ﾟεﾟ]+(ﾟΘﾟ)+ ((o^_^o) +(o^_^o))+ (c^_^o)+ (ﾟДﾟ)[ﾟεﾟ]+(ﾟΘﾟ)+ ((o^_^o) +(o^_^o))+ (ﾟｰﾟ)+ (ﾟДﾟ)[ﾟεﾟ]+(ﾟｰﾟ)+ ((o^_^o) - (ﾟΘﾟ))+ (ﾟДﾟ)[ﾟεﾟ]+((ﾟｰﾟ) + (ﾟΘﾟ))+ (ﾟΘﾟ)+ (ﾟДﾟ)[ﾟoﾟ]
// the following is same as above:
"return\"\141\154\145\162\164\50\42\110\145\154\154\157\54\40\112\141\166\141\123\143\162\151\160\164\42\51\""
// or
"return\"alert(\"Hello, JavaScript\")\""

ﾟεﾟ #=> "return"
( ﾟДﾟ)[ ﾟoﾟ ] #=> ﾟДﾟ["constructor"] #=> '\"'
( ﾟДﾟ)[ ﾟεﾟ ] #=> ﾟДﾟ["return"] #=> '\\'
(c^_^o) #=> 0
(ﾟΘﾟ) #=> 1
((o^_^o) - (ﾟΘﾟ)) #=> 2
(o^_^o) #=> 3
(ﾟｰﾟ) #=> 4
((ﾟｰﾟ) + (ﾟΘﾟ)) #=> 5
((o^_^o) +(o^_^o)) #=> 6
((ﾟｰﾟ) + (o^_^o)) #=> 7
((ﾟｰﾟ) + (ﾟｰﾟ)) #=> 8
((ﾟｰﾟ) + (ﾟｰﾟ) + (ﾟΘﾟ)) #=> 9

How to "eval"

(ﾟДﾟ) ['_'] ( (ﾟДﾟ) ['_'] (ﾟεﾟ+ ... ) (ﾟΘﾟ)) ('_');
// the following is same as above:
Function(
    Function(
        "return\"alert(\"Hello, JavaScript\")\""
    )(1)
)("_");
// or
Function("alert(\"Hello, JavaScript\")")("_");

Special Thanks

Firebug (Firefox add-on)

Output of this survey

aadecode - Decode encoded-as-aaencode JavaScript program. ['_']

aaencoded alert("Hello, JavaScript")

Line#1

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Script string

How to "eval"

Special Thanks

Output of this survey

aaencoded `alert("Hello, JavaScript")`