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- <!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 m = new Map()
- m.set('name','hello')
- m.set('change',function(){
- console.log('change')
- })
- let key = {
- school: 'jianqiao'
- }
- m.set (key,['上海','beijing'])
- console.log(m)
- m.delete('name')
- console.log(m)
- console.log(m.get('change'))
- console.log(m.get(key))
- // m.clear()
- for(let v of m){
- console.log(v)
- }
- </script>
- </body>
- </html>
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