<!DOCTYPE htmlPUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html><head><title></title><script type="text/javascript"> // 二維數組矩形轉置 var arr=[[2,4,6,8],[8,9,0,-1],[9,6,2,1]] //定義一個數組存放轉置後的資料 var arr1=[]; document.writeln("矩形轉置前:<br/>"); //遍曆二維數組 for(var i=0;i<arr.length;i++){ for(var j=0;j<arr[i].length;j++){ document.writeln(arr[i][j]); } document.writeln("<br/>"); } document.writeln("<br/>"); document.writeln("矩形轉置後:<br/>"); //把裝置的資料放入一個數組arr1中 //1、初始化，確定有多少行 for(var i=0;i<arr[0].length;i++){ arr1[i]=[]; } //2、先遍曆舊數組，再動態添加資料 for(var i=0;i<arr.length;i++){ for(var j=0;j<arr[i].length;j++){ //動態添加資料到arr1數組中 arr1[j][i]=arr[i][j]; } //document.writeln("<br/>"); } //轉置成功，遍曆arr1數組 for(var k=0;k<arr1.length;k++){ for(var l=0;l<arr1[k].length;l++){ document.writeln(arr1[k][l]); } document.writeln("<br/>"); }</script></head><body></body></html>
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
