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前端基础面试题@JS篇
source link: https://juejin.im/post/5af8f00c51882567105fda7b
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说说Js的数据类型都有哪些 基本类型 String Number Boolean null undefined symbol 引用类型 object 说说Http状态码 1** 信息，服务器收到请求，需要请求者继续执行操作(101，升级为websoc
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