Created
July 4, 2014 08:21
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@@unscopables
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| var x = 1, y = 2, obj = {x:3, y:4} | |
| with(obj) { | |
| console.log(x, y) // 3, 4 | |
| obj[Symbol.unscopables] = { | |
| x: true, | |
| y: true | |
| } | |
| console.log(x, y) // 1, 2 | |
| } |
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gist就是存代码片段的地方啊 高端 不会用