as3中splice和slice的用法

splice删除数组一段连续的元素,返回被删除的元素数组,slice获取数组中的部分元素

var arr:Array = ["a","b","c","d","e","f","g"];  

arr.splice(删除点的索引,要删除的个数,新元素1,新元素2);  

arr.splice(2,3,"o","p","q");//从索引为2开始,删除3个元素,并插入3个新元素"o","p","q" 

arr.splice(-2,3,"o","p","q");//从倒数为2的索引开始,删除3个元素,并插入3个新元素"o","p","q" 

arr.splice(2,3);//cuplayer.com提示:单纯的删除从索引2开始的3个元素(不插入)  

arr.splice(2);//cuplayer.com提示:单纯的删除从索引2开始的所有元素(不插入)  

arr.splice(2,0,"x","y","z");//在索引2的后面插入3个新元素(不删除) 

slice

获取数组中的部分元素

var arr:Array = ["a","b","c","d","e","f","g"];  

var newArr:Array = arr.slice();//极酷播放器提示浅复制数组  

var newArr:Array = arr.slice(2);  

var newArr:Array = arr.slice(-2);  

var newArr:Array = arr.slice(2,5);  

posted on 2012-09-24 21:34  God is a girl  阅读(416)  评论(0编辑  收藏  举报

导航