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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>
- var arr = [1,2,3,4,5,6,1,2,3,2,3,4,6]
- var x = new Set(arr)
- var arr2 = Array.from(x)
- console.log(arr2)
- function quchong(arr){
- return Array.from(new Set(arr))
- }
- console.log(quchong([1,2,3,23,2,4,5,7,3,5,7]))
-
- var s1 = new Set([1,2,3,4])
- console.log(s1)
- s1.add(1)
- console.log(s1)
- s1.delete(1)
- console.log(s1)
- console.log(quchong['1','1','1'])
- </script>
- </body>
- </html>
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