摘要：
<script> function info(v1,...data){ console.log(v1,data); } info(11); info(11,22); info(11,22,333,444,55); </script> <script> function info(v1,v2,v3,v 阅读全文
摘要：
let info = "我是" + "?" + "今年技术"; <script> let name = "张开"; let age = 73; let info = `我叫${name}，今年${age}岁`; </script> 阅读全文
摘要：
var/let/const <script> function show(){ if(1==1){ var name = "szw"; //函数作用域=Python } consolo.log(name); } show(); </script> <script> if(1==1){ let age 阅读全文
