1、push方法,往数组的末尾添加值,可以是一个或者多个值,中间通过,分隔;
<script type="text/javascript"> var arr = new Array(1, 2, 3); arr.push(4, 5) alert(arr); </script> 输出:1,2,3,4,52、join方法,连接数组元素,中间有分隔符; <script type="text/javascript"> var str = arr.join(" "); alert(str); </script> 输出:1 2 33、splice方法,增加删除元素 <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"; arr.splice(0,1, "test"); alert(arr); </script> 输出:test,John,Thomas,James,Adrew,Martin4、concat方法,连接两个或多个数组; <script type="text/javascript"> var arr = new Array(1, 2, 3); var arr1 = new Array("a", "b", "c"); var arr2 = new Array(true, true, true); alert(arr.concat(arr1, arr2)); </script> 输出:1,2,3,a,b,c,true,true,true