1 <!DOCTYPE html> 2 <html> 3 <head lang="en"> 4 <meta charset="UTF-8"> 5 <title></title> 6 </head> 7 <body> 8 <script> 9 //合并数组10 var arr1 = ["Hello","World","php","Js"];11 var arr2 = ["name","age","sex","weight"];12 var arr3 = arr1.concat(arr2);//合并数组，arr1合并arr213 // document.write(arr3);14 //数组排序15 var na = [3,5,7,1,6,4,2];16 document.write(na.sort(function(a,b){17 return a-b;//升序18 return b-a;//降序19 }));20 //追加21 var yy = ["w","h"];22 yy.push("p");//追加字符p23 document.write(yy);24 //反转25 var tt = ["o","l","l","e","h"];26 document.write(tt.reverse());//反转数组27 </script>28 </body>29 </html>
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