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25_函数的参数用法.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>25_函数的参数用法</title>
</head>
<body>
    <script>
     function test (a,b,c,...args) {
        console.log(args)
    //    let a = arguments // a类数组

    //    console.log(Array.from(a))

      // call/apply 改变this指向的方法
      // class extends
      //
      // console.log(Array.prototype.slice.call(a))
    //    console.log(Array.prototype.slice.apply(a))
      // console.log([...a])
     }
     const test1 = () => {

     }
     test(1,2,3,4,5,6,7,8,9,10)

    </script>
</body>
</html>