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题解 | #二次封装函数#

{"css":"","js":"function makeClosures(arr, fn) {\n var result=[]\n for(let i=0;i<arr.length;i++){\n result[i]=function(){\n ...

HTML/CSS/JavaScript

2022-03-30

0 259

题解 | #二次封装函数#

{"css":"","js":"function partial(fn, str1, str2) {\n return result=function(str3){\n return fn(str1,str2,str3)\n }\n}","html":"","libs":[...

HTML/CSS/JavaScript

2022-03-30

0 314

题解 | #返回函数#

{"css":"","js":"\nfunction functionFunction(str) {\n return function(arr){\n return str+", "+arr;\n };\n \n}","html":"","libs":[]}

HTML/CSS/JavaScript

2022-03-30

0 278

题解 | #流程控制#

function fizzBuzz(num) { return num%3===0&&num%5===0? 'fizzbuzz':(num%3===0? 'fizz':(num%5===0? 'buzz':(num===''||typeof num!='num...

HTML/CSS/JavaScript

2022-03-30

0 325

题解 | #计时器#

"function count(start, end) { console.log(start) var timer = setInterval( ()=>{ console.log(++start) while(start>=end){ clearInterval(timer) bre...

HTML/CSS/JavaScript

2022-03-30

0 269

题解 | #求二次方#

function square(arr) { var newArr=[] for(let i=0;i<arr.length;i++){ &nbs...

HTML/CSS/JavaScript

2022-03-30

1 269

题解 | #查找重复元素#

function duplicates(arr) { var newArr=[] for(let i=0;i<arr.length;i++){ if(arr.indexOf(arr[i])!=i){ newArr.push(arr[i]) } } return [...new Set(newA...

HTML/CSS/JavaScript

2022-03-30

0 229

题解 | #添加元素#

function insert(arr, item, index) { var newArr=[] for(let i=0;i<arr.length;i++){ if(i===index){ newArr.push(item) } newArr.push(arr[i]) } return ne...

HTML/CSS/JavaScript

2022-03-30

0 249

题解 | #移除数组中的元素#

function removeWithoutCopy(arr, item){ for(let i=0;i<arr.length;i++){ if(arr[i]===item){ arr.splice(i,1) i-- } } return arr }

HTML/CSS/JavaScript

2022-03-29

0 248

题解 | #直角三角形#

var str='' for(let i=0;i<3;i++){ for(let j=0;j<=i;j++){ str+='*' ...

HTML/CSS/JavaScript

2022-03-13

0 286