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The text was updated successfully, but these errors were encountered:
// 因为和深度无关,所以说最简单可以这样 function flatten(arr){ var res = arr.join().split(','); res = res.map( ele => +ele) return res; } // 还有吗,递归,写一下 function flatten(arr){ var array = []; arr.forEach(ele => { if(Array.isArray(ele)){ array.push(...flatten(ele)); } else { array.push(ele); } }) return array; } var arr1 = [1,[2,[3,4,2],2],5,[6]]; flatten(arr1)
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The text was updated successfully, but these errors were encountered: