ES6解构代替concat数组拼接

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    <title>ES6解构代替concat数组拼接</title>  
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<script type="text/javascript">
let a = [1, 2, 3]
let b = [4, 5]
let c = [...a, ...b]
console.log(c)
</script>      
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原文地址：https://www.cnblogs.com/xutongbao/p/11915706.html