<!doctype html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0"> <meta http-equiv="X-UA-Compatible" content="ie=edge"> <title>arr_for</title> </head> <body> <script> var arr = [1,2,3]; for(let a of arr){ console.log(a) } // 1 // 2 // 3 </script> </body> </html>
js 数组遍历arr_for.html
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