javascripjava进阶

【进阶篇】JavaScript代码规范

Good:/Declare them as capitalized named constants.const MILLISECONDS_IN_A_DAY=86_400_000;setTimeout(blastOff,MILLISECONDS_IN_A_DAY);3.函数的变量定义初始值Bad:function createMicrobrewery(name){ const breweryName=name|...

【进阶篇】JavaScript工具库的封装

解析 URL Params 为对象let url='http://www.domain.com/?user=anonymous&id=123&id=456&city=%E5%8C%97%E4%BA%AC&enabled';parseParam(url)/*结果{ user:'anonymous',id:[123,456],/重复出现的 key 要组装成数组，能被转成数字的就转成...

【进阶篇】javascript对象和数组的深拷贝和浅拷贝

不管是在面试中还是我们的项目中经常会用到数组或者对象的深拷贝，下面我就自己总结的分享给大家。首先要知道什么是深拷贝？什么是浅拷贝？深拷贝：源对象与拷贝对象互相独立，其中任何一个对象的改动都不会对另外一个对象造成影响。...

JavaScript进阶——Set数据结构你了解嘛？ES6看这篇就够啦

theme:channing-cyan1.ES6简介1.1 什么是ES6?ES的全称是ECMAScript，它是由ECMA国际标准化组织，制定的一项脚本语言的标准化规范。ES6实际上是一个泛指，泛指ES2015及后续的版本1.2 为什么使用ES6?每一次标准的诞生都意味着语言的完善，...

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