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Sunny-117 / js-challenges

✨✨✨ Challenge your JavaScript programming limits step by step

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连续赋值操作

Sunny-117 opened this issue · comments

commented
连续赋值操作
commented 
let a = { n: 1 }
let b = a

a.x = a = { n: 2 }

console.log(a.x) // => undefined
console.log(b.x) // => { n: 2 }