13.3.9 splice方法.html

javascript即用即差核心对象手册

<script>
    var arr=new Array(0,1,2,3,4,5,6,7,8,9,10);
	var rewith=new Array("a","b","c");
	var tmp1=arr.splice(2,4,rewith);
	with(document)
	{
	   writeArr("替换了4个数据",tmp1);
	   writeArr("替换为：",rewith);
	   writeArr("替换后",arr);
	   var tmp2=arr.splice(5,2);
	   writeArr("删除2个数据",tmp2);
	   writeArr("替换后",arr);	}
   //自定义函数输出提示信息和数组元素
   function writeArr(str,array)
   {
      document.write(str+":");
	  document.write(array.join(","));
	  document.write("<br>");
   }
</script>