JS数组迭代查询
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js循环查询数组里的值并能输出
“javascript，let arr = [1, 2, 3, 4, 5];，for (let i = 0; i˂ arr.length; i++) {， console.log(arr[i]);，}，“
“javascript，let arr = [1, 2, 3, 4, 5];，for (let i = 0; i˂ arr.length; i++) {， console.log(arr[i]);，}，“
