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upangka/README.md

Created February 7, 2020 02:09
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javascript 代替三元运算符
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README.md

三元运算符

let user = null   //undefined
let res = user ? user: "default value"
console.log(res) //"default value"

简洁写法

let user = null   //undefined
let res = user || "default value"
console.log(res) //"default value"
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