<script type="text/javascript">
function unique(ary) {
var i = 0,gid='_'+(+new Date)+Math.random(),objs = [],hash = {
'string': {},'boolean': {},'number': {}
},p,l = ary.length,ret = [];
for (; i < l; i++) {
p = ary[i];
if (p == null) continue;
tp = typeof p;
if (tp in hash) {
if (!(p in hash[tp])) {
hash[tp][p] = 1;
ret.push(p);
}
} else {
if (p[gid]) continue;
p[gid]=1;
objs.push(p);
ret.push(p);
}
}
for(i=0,l=objs.length;i<l;i++) {
p=objs[i];
p[gid]=undefined;
delete p[gid];
}
return ret;
}

function process(){
list = document.getElementById('list');
arr = list.value.split('\n');
arr = unique(arr);
list.value = "";
for(key in arr){
list.value += arr[key] + '\n';
}
alert("处理完成！");
}