js中数组的方法
1、创建数组创建数组,为其赋值,然后输出这些值。代码如下:<html><body><script type="text/javascript">var mycars = new Array()mycars[0] = "Saab"mycars[1] = "Volvo"mycars[2] = "BMW"for (i=0;i<mycars.length;i++){document.write(mycars[i] + "<br />")}</script></body></html>

3、合并两个数组 - concat()。如何使用 concat() 方法来合并两个数组。<html><body><script type="text/javascript">var arr = new Array(3)arr[0] = "George"arr[1] = "John"arr[2] = "Thomas"var arr2 = new Array(3)arr2[0] = "James"arr2[1] = "Adrew"arr2[2] = "Martin"document.write(arr.concat(arr2))</script></body></html>

5、文字数组 - sort()。如何使用 sort(拘七呷憎) 方法从字面上对数组进行排序。<html><body><script type="text/javascript">var arr = new Array(6)arr[0] = "George"arr[1] = "John"arr[2] = "Thomas"arr[3] = "James"arr[4] = "Adrew"arr[5] = "Martin"document.write(arr + "<br />")document.write(arr.sort())</script></body></html>
