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天蓬老师批改状态：合格
老师批语：
— 代码区
```
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<script>
/* let x=10;
let y=x;console.log(x,y);console.log("x= %d,y=%d" ,x,y);x=20;console.log("x=%d,y=%d",x,y);//2.引用传递let obj1={x:10,y:20,};console.log("obj1= %o" ,obj1);console.table(obj1);let obj2=obj1;
console.table(obj2);
obj1.x=”javascript”;
console.table(obj1);
console.table(obj2);
const f1=x =>(x=10);
console.log(f1(5));
let username="admin";let str = `HEllo${username}`;console.log(str);
let nav=[“首页”,”教学视频”,”文章”];
let html=`
<nav>
<a href=""><${nav[0]}></a><a href=""><${nav[1]}></a><a href=""><${nav[2]}></a></nav>
`
console.log(html);
document.body.insertAdjacentHTML(‘beforeend’,html);
let [a,b,c="100"]=[10,29];
console.log(a,b,c);
[a,b,c,...d]=[10,20,30,40,50,60];console.log(a,b,c,d);console.log(...d);let a=10,b=20,console.log('a=%d,b=%d'); */let z=10,q=20;console.log(z,q);[z,q]=[q,z];console.log(z,q);
//数组传惨
let sum =([a,b]) => a+b;
console.log(sum([10,20]));
/* let sum=([a,b])=> a + b;console.log(sum(10,20)); */let lecture={name:'朱老师',email:'4986464@qq.com',getInfo:function(){return `${this.name}:(${this.email}) `;}}console.log(lecture);let {name,email} =lecture;console.log(name,email);user ={name,email,getInfo:()=>'${this.name}:{${this.email}}',}console.log(user);</script>
</body>
</html>
```
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