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0708作业 赋值和字面量简化 函数
︷肉園耔︷
Original
505 people have browsed it

  • — 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;

    1.  let y=x;
    2.  console.log(x,y);
    3.  console.log("x= %d,y=%d" ,x,y);
    5.  x=20;
    6.  console.log("x=%d,y=%d",x,y);
    8.  //2.引用传递
    9.  let obj1={
    10.      x:10,
    11.      y:20,
    12.  };
    13.  console.log("obj1= %o" ,obj1);
    14.  console.table(obj1);
    15.  let obj2=obj1;

    console.table(obj2);

    obj1.x=”javascript”;
    console.table(obj1);
    console.table(obj2);

    const f1=x =>(x=10);
    console.log(f1(5));

    1. let  username="admin";
    2. let str = `HEllo 
    3. ${username}`;
    4. console.log(str);

    let nav=[“首页”,”教学视频”,”文章”];
    let html=`
    <nav>

    1.   <a href=""><${nav[0]}></a>
    2.   <a href=""><${nav[1]}></a>
    3.   <a href=""><${nav[2]}></a>
    4.   </nav>

    `
    console.log(html);
    document.body.insertAdjacentHTML(‘beforeend’,html);

  1. let [a,b,c="100"]=[10,29];

console.log(a,b,c);

  1. [a,b,c,...d]=[10,20,30,40,50,60];
  2. console.log(a,b,c,d);
  3. console.log(...d);
  5. let a=10,
  6. b=20,
  7. console.log('a=%d,b=%d');  */
  9. let z=10,
  10.   q=20;
  11.    console.log(z,q);
  12.    [z,q]=[q,z];
  13.    console.log(z,q);

//数组传惨
let sum =([a,b]) => a+b;
console.log(sum([10,20]));

  1. /* let sum=([a,b])=> a + b;
  2.  console.log(sum(10,20));  */
  3.        let lecture={
  4.         name:'朱老师',
  5.         email:'4986464@qq.com',
  6.         getInfo:function(){
  7.             return `${this.name}:(${this.email}) `;
  8.         }
  9.     }
  10.     console.log(lecture);
  12.     let {name,email} =lecture;
  13.     console.log(name,email);
  15.    user ={
  16.        name,email,
  17.        getInfo:()=>'${this.name}:{${this.email}}', 
  18.    }
  19.    console.log(user);
  22. </script>

</body>
</html>
```

Correcting teacher：天蓬老师天蓬老师

Correction status：qualified

Teacher's comments：
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