11_数组.html 766 B

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  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <meta charset="UTF-8">
  5. <meta http-equiv="X-UA-Compatible" content="IE=edge">
  6. <meta name="viewport" content="width=device-width, initial-scale=1.0">
  7. <title>Document</title>
  8. </head>
  9. <body>
  10. <script>
  11. var a = [1, 2, 3, 4, 5] // 数组里面包括索引 值 长度 array
  12. var b = 1
  13. var c = ['hahhah', 111, '123n']
  14. console.log(c)
  15. /* 数组里面 可以存放任何值 */
  16. var d = new Array()
  17. d[0] = 11
  18. d[1] = 'xixi'
  19. d[4] = 'hahah'
  20. console.log(d)
  21. //empty 空占位符
  22. console.log(d[6])
  23. // var f = [666, 777]
  24. // d[2] = f[0]
  25. // d[3] = f[1]
  26. // console.log(d)
  27. for (var i = 0; i < d.length; i++) {
  28. console.log(d[i])
  29. }
  30. </script>
  31. </body>
  32. </html>