HTML/CSS/JavaScript 解法, 执行用时: 826ms, 内存消耗: 77772KB, 提交时间: 2020-10-30

{"css":"","js":"function insert(arr, item, index) {\n   let arr1 = []\n  for (let i =0; i<arr.length;i++){\n      arr1.push(arr[i])\n      \n  }\n  arr1.splice(index,0,item)\n    return arr1\n}","html":"","libs":[]}

HTML/CSS/JavaScript 解法, 执行用时: 854ms, 内存消耗: 77772KB, 提交时间: 2020-12-20

{"css":"","js":"function insert(arr, item, index) {\n    let result = arr.slice();\n    result.splice(2,0,item);\n    return result;\n}","html":"","libs":[]}

HTML/CSS/JavaScript 解法, 执行用时: 856ms, 内存消耗: 77772KB, 提交时间: 2020-12-27

{"css":"","js":"function insert(arr, item, index) {\n    var newArr = arr.slice(0);\n    newArr.splice(index,0,item);\n    return newArr\n\n}","html":"","libs":[]}

HTML/CSS/JavaScript 解法, 执行用时: 856ms, 内存消耗: 77788KB, 提交时间: 2021-05-21

{"css":"","js":"function insert(arr, item, index) {\n    return arr.reduce((c,v,i)=>{\n        \n        if(i == index){\n            c.push(item,v)\n        }else{c.push(v)}\n        return c\n    },[])\n}","html":"","libs":[]}

HTML/CSS/JavaScript 解法, 执行用时: 856ms, 内存消耗: 77812KB, 提交时间: 2021-03-14

{"css":"","js":"function insert(arr, item, index) {\n    let bb = []\n    for(let i=0;i<arr.length+1;i++){\n        if(i>=index){\n            if(i==index){bb[i]=item}\n            else{bb[i]=arr[i-1]}\n        }else{\n            bb[i]=arr[i]\n        }\n    }\n    return bb\n}","html":"","libs":[]}