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@@ -0,0 +1,51 @@
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+<!DOCTYPE html>
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+<html lang="en">
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+<head>
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+ <meta charset="UTF-8">
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+ <meta http-equiv="X-UA-Compatible" content="IE=edge">
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+ <meta name="viewport" content="width=device-width, initial-scale=1.0">
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+ <title>Document</title>
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+</head>
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+<body>
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+ <script>
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+ /* rest 剩余的 */
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+ // function fn(a,b,...rest){
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+ // console.log(a)
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+ // console.log(b)
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+ // console.log(...rest)
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+ // }
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+ // fn(1,2,3,4,5,6,7,8,9)
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+
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+
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+ // function fn1(...rest){
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+ // console.log(rest)
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+ // }
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+ // fn1(1,2,3,4)
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+
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+
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+ // function fn(){
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+ // console.log(arguments)
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+ // /* 取到所有剩余的值 */
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+ // }
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+ // fn(1,2,3,4)
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+
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+
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+ // function fn1(a,b,rest){
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+ // var x = a
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+ // let c = b
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+ // var d = rest
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+ // fn2(d)
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+ // console.log(x + c)
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+ // }
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+ // fn1(1,2,3,4,5,6)
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+ // function fn2(xx){
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+ // // console.log(xx)
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+ // var xx = 30
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+ // }
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+
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+ // 3,报错
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+ // [3,4,5,6] 3
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+ // 报错
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+ </script>
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+</body>
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+</html>
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