首頁 > 開發者 > JavaScript
標籤：
1 <!DOCTYPE html> 2 <html> 3 <head> 4 <meta charset="UTF-8"> 5 <title>Document</title> 6 <script type="text/javascript"> 7 //聲明一維數組 8 var myarr = new Array(); 9 for (var i = 0; i < 3; i++) {10 //確定一維數組的長度。11 myarr[i] = new Array();12 13 //聲明二維數組14 //確定二維數組的長度為315 for (var j = 0; j < 3; j++) {16 //為二維數組賦值， 17 myarr[i][j] = i*1 + j*2;18 }19 }20 21 //輸出二維數組22 //最想不到的事怎麼確定二維數組的長度23 //要在一個迴圈裡 myarr[i].lenght才能輸出二維數組的長度 24 for (var i = 0; i < myarr.length; i++) {25 //輸出二維數組的長度26 // document.write(myarr[i].length);27 document.write("<br />******************<br />")28 //找了半天錯誤，原來是sublime產生的i不是j29 for (var j = 0; j < myarr[i].length; j++) { 30 document.write(myarr[i][j]+"<br />");31 }32 } 33 </script>34 </head>35 <body>36 37 </body>38 </html>
6.javaScript中的二維數組
Start building with 50+ products and up to 12 months usage for Elastic Compute Service
1 on 1 presale consultation
24/7 Technical Support 6 Free Tickets per Quarter Faster Response
Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.
A comprehensive suite of global cloud computing services to power your business
Payment Methods We Support
