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chinaHewei/swap.js

Created January 4, 2018 16:04
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JavaScript interesting code
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swap.js
let a = 2
let b = 1
console.log(`a --> ${a}\nb --> ${b}`)
// swap a and b
a = {x: b, y: (b = a)}.x
console.log(`a --> ${a}\nb --> ${b}`)
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