小傻妞（雪）

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全部文章（共11篇）

题解 | #完全等同#

{"css":"","js":"function identity(val1, val2) {\nif(val1===val2){\n return true\n }else{\n return false\n ...

2023-01-11

0 160

题解 | #查找元素位置#

{"css":"","js":"function findAllOccurrences(arr, target) {\n let arrIndex = []\n for (let i = 0; i < arr.length; i++) {\n ...

2023-01-11

0 177

题解 | #求二次方#

{"css":"","js":"function square(arr) {\nlet pow = []\n for (let i = 0; i < arr.length; i++) {\n pow.push(arr[i] * arr[i])...

2023-01-09

0 121

题解 | #求二次方#

{"css":"","js":"function square(arr) {\nreturn arr.map(item => Math.pow(item, 2))\n}","html":"","libs":[]}

2023-01-09

0 100

题解 | #计数#

{"css":"","js":"function count(arr, item) {\n let total = 0;\n for (let i = 0; i < arr.length; i++) {\n if (arr[i] === it...

2023-01-08

0 152

题解 | #添加元素#

{"css":"","js":"function insert(arr, item, index) {\n let array=arr.slice(0)\n array.splice(index,0,item)\n return array\n}"...

2023-01-08

0 146

题解 | #数组合并#

function concat(arr1, arr2) { let array=[...arr1,...arr2] retu...

2023-01-07

0 172

题解 | #删除数组最后一个元素#

{"css":"","js":"function truncate(arr) {\nreturn arr.filter((item, i) => i != arr.length-1)\n}","html":"","libs":[]}

2023-01-07

0 120

题解 | #添加元素#

{"css":"","js":"function prepend(arr, item) {\n let array=[]\n for (let i = 0; i < arr.length; i++) {\n array....

2023-01-07

0 124

题解 | #删除数组最后一个元素#

{"css":"","js":"function truncate(arr) {\n let res = JSON.parse(JSON.stringify(arr))\n return res.splice(0, res.length - 1, 1)\n...

2023-01-05

0 171