随笔分类 - js
摘要：// 日期格式化export function parseTime(time, pattern) { if (arguments.length 0 || !time) { return null } const format = pattern || '{y}-{m}-{d} {h}:{i}:{s}
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摘要：1. // 深拷贝function deepclone(obj){ let newobj=Array.isArray(obj)?[]:{} for(let key in obj){ if(typeof obj[key] 'object'){ newobj[key]=deepclone(obj[key
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摘要：html: <div class="tabs col-md-6"> <ul id="nav"> <li class="nav_item"><a href="javascript:;" class="">学院新闻</a></li> <li class="nav_item"><a href="javas
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摘要：<div class="top"></div> .top { position: fixed; right: 0; bottom: 20px; width: 40px; height: 40px; line-height: 40px; text-align: center; background-c
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摘要：// time let time = document.getElementsByClassName('time')[0]; function startTime() { var today = new Date();//定义日期对象 var yyyy = today.getFullYear();/
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摘要：let arr = [1, 2, 3] let str = '1,2,3' // 1. console.log(Array.isArray(arr)); // 2.(不严谨) console.log(arr instanceof Array); // 3. console.log(Object.pr
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摘要：一、key-value顺序一致 直接将两个对象分别JSON.stringify转换成字符串后比较即可 let obj1 = {age:21,info: {name:'sunsir'}}let obj2 = {age:21,info: {name:'sunsir'}} console.log(JSON
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