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August 29, 2015 14:13
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アロー関数。挙動を確かめたかった。
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| typeof (()=>{})(); // => 'undefined' | |
| typeof (()=>({}))(); // => 'object' | |
| /**/ | |
| (()=>this)(); // => Window | |
| (()=>this).call(1); // => 1 | |
| (()=>((()=>this)())).call(1); // => Window |
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