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题解 | #移动控制#

function bind() { const con = document.getElementById('jsContainer') const rows = con.querySelectorAll('tr') const cols = rows[0].querySel...

2021-07-21

9 689

题解 | #设置标签#

var tagInput = { isInited: false, init: init, bindEvent: bindEvent, addTag: addTag, removeTag: removeTag }; tagInput.init(); func...

2021-07-21

4 668

题解 | #简易计算器#

var Calculator = { init: function () { var that = this; if (!that.isInited) { that.isInited = true; // 保存操...

2021-07-21

0 566

题解 | #选择组件#

function CheckGroup(renderTo, options, isMultiple) { var that = this; that.renderTo = renderTo; that.options...

2021-07-21

5 654

题解 | #从尾到头打印链表#

/*function ListNode(x){ this.val = x; this.next = null; }*/ function pri...

2021-07-18

0 448

题解 | #文字输出#

function output(str) { var strArr = str.split('') //3 var blinkEl = document.getElementById('jsBlink') var children = ...

2021-07-18

1 646

题解 | #智能提示#

function suggest(items) { let value = document.querySelector('.js-input').value.trim() const sDom = document.querySelector('.js-sugges...

2021-07-18

1 632

题解 | #检查重复字符串#

function containsRepeatingLetter(str) { const matches = str.match(/[a-zA-Z]{1}/g) return matches.length !== Array.from(new Set(matches)).lengt...

2021-07-17

2 641

题解 | #使用闭包#

function makeClosures(arr, fn) { const result = [] for(var i = 0,len = arr.length;i< len;i++){ result[i] = (function(v){ ...

2021-07-17

0 490

题解 | #移除数组中的元素#

删除数组中元素要反向循环，因为splice删除操作会移动数组下标 function removeWithoutCopy(arr, item) { let len = arr.length while(len--){ if(arr[len] === item ){ ...

2021-07-17

0 449