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ClassContent/历届学生/18课程/class18_2/课程/2020-12-22/笔记.txt
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javascript:做特效的(以前)
还能实现各种前端的功能,数据渲染
ajax
web开发:
1:后端渲染(jsp,php,asp)
优势:便于seo优化
缺点:代码冗余,页面里面有多种语言的代码,维护成本高
前端工资很低
2:前后端分离(ajax)
后端:处理数据,服务器安全,数据安全
前端:写页面,做功能,处理数据
nodejs(js的后端的运行环境)
nodejs 变成前端开发的基本环境
大()前端
deno.js atom 微信小程序开发者工具
js + nodejs + typescript