获取所有键

  <script>
    let map = new Map();
    map.set('name1',"test1")
    map.set('name2',"test2")
    map.set('name3',"test3")
    console.log(map.keys())
  </script>

遍历map类型_html

 获取所有值

  <script>
    let map = new Map();
    map.set('name1',"test1")
    map.set('name2',"test2")
    map.set('name3',"test3")
    console.log(map.values())
  </script>

遍历map类型_键值对_02

 获取所有键值对

<script>
    let map = new Map();
    map.set('name1',"test1")
    map.set('name2',"test2")
    map.set('name3',"test3")
    console.log(map.entries())
  </script>

遍历map类型_前端_03

得到所有键：for of  或者 forEach

  <script>
    let map = new Map();
    map.set('name1',"test1")
    map.set('name2',"test2")
    map.set('name3',"test3")
    for(const key of map.keys()){
      console.log(key)
    }
  </script>

 

遍历map类型_html_04

得到所有值: for of  或者 forEach

 <script>
    let map = new Map();
    map.set('name1',"test1")
    map.set('name2',"test2")
    map.set('name3',"test3")
    for(const key of map.values()){
      console.log(key)
    }
  </script>

遍历map类型_前端_05

 遍历键值对: for of 或者 forEach

// for  of
 <script>
    let map = new Map();
    map.set('name1',"test1")
    map.set('name2',"test2")
    map.set('name3',"test3")
    for(const [key,value] of map.entries()){
      console.log(key)
      console.log(value)
    }
  </script>

// forEach
  <script>
    let map = new Map();
    map.set('name1',"test1")
    map.set('name2',"test2")
    map.set('name3',"test3")
    map.forEach((value, key) => {
      console.log(key)
      console.log(value)
    })
  </script>

遍历map类型_javascript_06