js 去除字符串中重复的字符

去除其中重复字符

<SCRIPT LANGUAGE="JavaScript">

<!--

var stra="a,b,c,d,e,f";

var strb="e,m,n,c,b,z,y";

//需要剔除b,c,e三个元素

var str=stra+","+strb;

var strArr=str.split(",");

//排序

strArr.sort();

var result=new Array();

var tempStr="";

for(var i in strArr)

{

if(strArr[i] != tempStr)

{

result.push(strArr[i]);

tempStr=strArr[i];

}

else

{

continue;

}

}

alert(result.join(","))

//-->

</SCRIPT>