0708作业赋值和字面量简化函数

— 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>
```

0708作业 赋值和字面量简化 函数

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