如何使用js很装X的打印“hello world”，代码长短不重要，下面就整理一些实现方式，大家可以复制测试 O(∩_∩)O哈哈~

实现一：

$ = ~[];
$ = {
	___: ++$,
	$$$$: (![] + "")[$],
	__$: ++$,
	$_$_: (![] + "")[$],
	_$_: ++$,
	$_$$: ({} + "")[$],
	$$_$: ($[$] + "")[$],
	_$$: ++$,
	$$$_: (!"" + "")[$],
	$__: ++$,
	$_$: ++$,
	$$__: ({} + "")[$],
	$$_: ++$,
	$$$: ++$,
	$___: ++$,
	$__$: ++$
};
$.$_ = ($.$_ = $ + "")[$.$_$] + ($._$ = $.$_[$.__$]) + ($.$$ = ($.$ + "")[$.__$]) + ((!$) + "")[$._$$] + ($.__ = $.$_[$.$$_]) + ($.$ = (!"" + "")[$.__$]) + ($._ = (!"" + "")[$._$_]) + $.$_[$.$_$] + $.__ + $._$ + $.$;
$.$$ = $.$ + (!"" + "")[$._$$] + $.__ + $._ + $.$ + $.$$;
$.$ = ($.___)[$.$_][$.$_];
$.$($.$($.$$ + "\"" + $.$$__ + $._$ + "\\" + $.__$ + $.$_$ + $.$$_ + "\\" + $.__$ + $.$$_ + $._$$ + $._$ + (![] + "")[$._$_] + $.$$$_ + "." + (![] + "")[$._$_] + $._$ + "\\" + $.__$ + $.$__ + $.$$$ + "(\\\"\\" + $.__$ + $.$_$ + $.___ + $.$$$_ + (![] + "")[$._$_] + (![] + "")[$._$_] + $._$ + "\\" + $.$__ + $.___ + "\\" + $.__$ + $.$$_ + $.$$$ + $._$ + "\\" + $.__$ + $.$$_ + $._$_ + (![] + "")[$._$_] + $.$$_$ + "\\\"\\" + $.$__ + $.___ + ")\\" + $.__$ + $._$_ + "\"")())();

地址：http://utf-8.jp/public/jjencode.html

实现二：

console.log([104, 101, 108, 108, 111, 32, 119, 111, 114, 108, 100].map(x=>String.fromCharCode(x)).join(''));

实现三：

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) + (o ^ _ ^ o) + (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Θﾟ) + ((ﾟｰﾟ) + (ﾟΘﾟ)) + ((o ^ _ ^ o) + (o ^ _ ^ o)) + (ﾟДﾟ)[ﾟεﾟ] + (ﾟΘﾟ) + ((o ^ _ ^ o) + (o ^ _ ^ o)) + (o ^ _ ^ o) + (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] + ((ﾟｰﾟ) + (ﾟΘﾟ)) + ((o ^ _ ^ o) + (o ^ _ ^ o)) + (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Θﾟ) + (ﾟｰﾟ) + ((ﾟｰﾟ) + (o ^ _ ^ o)) + (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) + ((ﾟｰﾟ) + (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) + (c ^ _ ^ o) + (ﾟДﾟ)[ﾟεﾟ] + (ﾟΘﾟ) + ((o ^ _ ^ o) + (o ^ _ ^ o)) + ((ﾟｰﾟ) + (o ^ _ ^ o)) + (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)) + (ﾟｰﾟ) + (ﾟДﾟ)[ﾟεﾟ] + (ﾟΘﾟ) + (ﾟｰﾟ) + (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))('_');

地址：http://utf-8.jp/public/aaencode.html

实现四：

console.log((+(+!+[] + [+[]] + [+!+[]]))[(!![] + [])[+[]] + (!![] + [][(![] + [])[+[]] + ([![]] + [][
	[]
])[+!+[] + [+[]]] + (![] + [])[!+[] + !+[]] + (!![] + [])[+[]] + (!![] + [])[!+[] + !+[] + !+[]] + (!![] + [])[+!+[]]])[+!+[] + [+[]]] + (+![] + ([] + [])[([][(![] + [])[+[]] + ([![]] + [][
	[]
])[+!+[] + [+[]]] + (![] + [])[!+[] + !+[]] + (!![] + [])[+[]] + (!![] + [])[!+[] + !+[] + !+[]] + (!![] + [])[+!+[]]] + [])[!+[] + !+[] + !+[]] + (!![] + [][(![] + [])[+[]] + ([![]] + [][
	[]
])[+!+[] + [+[]]] + (![] + [])[!+[] + !+[]] + (!![] + [])[+[]] + (!![] + [])[!+[] + !+[] + !+[]] + (!![] + [])[+!+[]]])[+!+[] + [+[]]] + ([][
	[]
] + [])[+!+[]] + (![] + [])[!+[] + !+[] + !+[]] + (!![] + [])[+[]] + (!![] + [])[+!+[]] + ([][
	[]
] + [])[+[]] + ([][(![] + [])[+[]] + ([![]] + [][
	[]
])[+!+[] + [+[]]] + (![] + [])[!+[] + !+[]] + (!![] + [])[+[]] + (!![] + [])[!+[] + !+[] + !+[]] + (!![] + [])[+!+[]]] + [])[!+[] + !+[] + !+[]] + (!![] + [])[+[]] + (!![] + [][(![] + [])[+[]] + ([![]] + [][
	[]
])[+!+[] + [+[]]] + (![] + [])[!+[] + !+[]] + (!![] + [])[+[]] + (!![] + [])[!+[] + !+[] + !+[]] + (!![] + [])[+!+[]]])[+!+[] + [+[]]] + (!![] + [])[+!+[]]])[+!+[] + [+[]]] + (!![] + [])[+[]] + (!![] + [])[+!+[]] + ([![]] + [][
	[]
])[+!+[] + [+[]]] + ([][
	[]
] + [])[+!+[]] + (+![] + [![]] + ([] + [])[([][(![] + [])[+[]] + ([![]] + [][
	[]
])[+!+[] + [+[]]] + (![] + [])[!+[] + !+[]] + (!![] + [])[+[]] + (!![] + [])[!+[] + !+[] + !+[]] + (!![] + [])[+!+[]]] + [])[!+[] + !+[] + !+[]] + (!![] + [][(![] + [])[+[]] + ([![]] + [][
	[]
])[+!+[] + [+[]]] + (![] + [])[!+[] + !+[]] + (!![] + [])[+[]] + (!![] + [])[!+[] + !+[] + !+[]] + (!![] + [])[+!+[]]])[+!+[] + [+[]]] + ([][
	[]
] + [])[+!+[]] + (![] + [])[!+[] + !+[] + !+[]] + (!![] + [])[+[]] + (!![] + [])[+!+[]] + ([][
	[]
] + [])[+[]] + ([][(![] + [])[+[]] + ([![]] + [][
	[]
])[+!+[] + [+[]]] + (![] + [])[!+[] + !+[]] + (!![] + [])[+[]] + (!![] + [])[!+[] + !+[] + !+[]] + (!![] + [])[+!+[]]] + [])[!+[] + !+[] + !+[]] + (!![] + [])[+[]] + (!![] + [][(![] + [])[+[]] + ([![]] + [][
	[]
])[+!+[] + [+[]]] + (![] + [])[!+[] + !+[]] + (!![] + [])[+[]] + (!![] + [])[!+[] + !+[] + !+[]] + (!![] + [])[+!+[]]])[+!+[] + [+[]]] + (!![] + [])[+!+[]]])[!+[] + !+[] + [+[]]]](!+[] + !+[] + [+!+[]])[+!+[]] + (!![] + [])[!+[] + !+[] + !+[]] + (![] + [])[!+[] + !+[]] + (![] + [])[!+[] + !+[]] + (!![] + [][(![] + [])[+[]] + ([![]] + [][
	[]
])[+!+[] + [+[]]] + (![] + [])[!+[] + !+[]] + (!![] + [])[+[]] + (!![] + [])[!+[] + !+[] + !+[]] + (!![] + [])[+!+[]]])[+!+[] + [+[]]] + (+[![]] + [][(![] + [])[+[]] + ([![]] + [][
	[]
])[+!+[] + [+[]]] + (![] + [])[!+[] + !+[]] + (!![] + [])[+[]] + (!![] + [])[!+[] + !+[] + !+[]] + (!![] + [])[+!+[]]])[+!+[] + [+!+[]]] + (+(!+[] + !+[] + !+[] + [!+[] + !+[]]))[(!![] + [])[+[]] + (!![] + [][(![] + [])[+[]] + ([![]] + [][
	[]
])[+!+[] + [+[]]] + (![] + [])[!+[] + !+[]] + (!![] + [])[+[]] + (!![] + [])[!+[] + !+[] + !+[]] + (!![] + [])[+!+[]]])[+!+[] + [+[]]] + (+![] + ([] + [])[([][(![] + [])[+[]] + ([![]] + [][
	[]
])[+!+[] + [+[]]] + (![] + [])[!+[] + !+[]] + (!![] + [])[+[]] + (!![] + [])[!+[] + !+[] + !+[]] + (!![] + [])[+!+[]]] + [])[!+[] + !+[] + !+[]] + (!![] + [][(![] + [])[+[]] + ([![]] + [][
	[]
])[+!+[] + [+[]]] + (![] + [])[!+[] + !+[]] + (!![] + [])[+[]] + (!![] + [])[!+[] + !+[] + !+[]] + (!![] + [])[+!+[]]])[+!+[] + [+[]]] + ([][
	[]
] + [])[+!+[]] + (![] + [])[!+[] + !+[] + !+[]] + (!![] + [])[+[]] + (!![] + [])[+!+[]] + ([][
	[]
] + [])[+[]] + ([][(![] + [])[+[]] + ([![]] + [][
	[]
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	[]
])[+!+[] + [+[]]] + (![] + [])[!+[] + !+[]] + (!![] + [])[+[]] + (!![] + [])[!+[] + !+[] + !+[]] + (!![] + [])[+!+[]]])[+!+[] + [+[]]] + (!![] + [])[+!+[]]])[+!+[] + [+[]]] + (!![] + [])[+[]] + (!![] + [])[+!+[]] + ([![]] + [][
	[]
])[+!+[] + [+[]]] + ([][
	[]
] + [])[+!+[]] + (+![] + [![]] + ([] + [])[([][(![] + [])[+[]] + ([![]] + [][
	[]
])[+!+[] + [+[]]] + (![] + [])[!+[] + !+[]] + (!![] + [])[+[]] + (!![] + [])[!+[] + !+[] + !+[]] + (!![] + [])[+!+[]]] + [])[!+[] + !+[] + !+[]] + (!![] + [][(![] + [])[+[]] + ([![]] + [][
	[]
])[+!+[] + [+[]]] + (![] + [])[!+[] + !+[]] + (!![] + [])[+[]] + (!![] + [])[!+[] + !+[] + !+[]] + (!![] + [])[+!+[]]])[+!+[] + [+[]]] + ([][
	[]
] + [])[+!+[]] + (![] + [])[!+[] + !+[] + !+[]] + (!![] + [])[+[]] + (!![] + [])[+!+[]] + ([][
	[]
] + [])[+[]] + ([][(![] + [])[+[]] + ([![]] + [][
	[]
])[+!+[] + [+[]]] + (![] + [])[!+[] + !+[]] + (!![] + [])[+[]] + (!![] + [])[!+[] + !+[] + !+[]] + (!![] + [])[+!+[]]] + [])[!+[] + !+[] + !+[]] + (!![] + [])[+[]] + (!![] + [][(![] + [])[+[]] + ([![]] + [][
	[]
])[+!+[] + [+[]]] + (![] + [])[!+[] + !+[]] + (!![] + [])[+[]] + (!![] + [])[!+[] + !+[] + !+[]] + (!![] + [])[+!+[]]])[+!+[] + [+[]]] + (!![] + [])[+!+[]]])[!+[] + !+[] + [+[]]]](!+[] + !+[] + !+[] + [!+[] + !+[] + !+[]]) + (!![] + [][(![] + [])[+[]] + ([![]] + [][
	[]
])[+!+[] + [+[]]] + (![] + [])[!+[] + !+[]] + (!![] + [])[+[]] + (!![] + [])[!+[] + !+[] + !+[]] + (!![] + [])[+!+[]]])[+!+[] + [+[]]] + (!![] + [])[+!+[]] + (![] + [])[!+[] + !+[]] + ([][
	[]
] + [])[!+[] + !+[]]);

地址：http://utf-8.jp/public/jsfuck.html

实现五：

console.log("\x68\x65\x6C\x6C\x6F\x20\x77\x6F\x72\x6C\x64");

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