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chuck0523/splice.js

Created April 15, 2017 00:36
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splice.js
let ary = [1, 2, 3, 4, 5]
// 第二引数は"個数"
ary.splice(2, 3) // [3 , 4, 5]
// 破壊的変更がなされる
console.log(ary) // [1, 2]
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