在线文本去重复工具
第一种方法:
<textarea id="list" class="toolarea">软件开发网
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www.jb51.net
软件开发网
shouce.jb51.net
www.jb51.net
tools.jb51.net
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shouce.jb51.net
tools.jb51.net
软件开发网
www.jb51.net</textarea>
<input type="button" onclick="process()" value="去重处理" class="bt-green">
<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!");
}
</script>
第二种方法
function sx(){
var rntArray=[],temp,hasValue;
var array=document.getElementById("neirong").value.split("\n");
for(var i in array){
temp=array[i];
hasValue=false;
for(var j in rntArray){
if(temp===rntArray[j]){
hasValue=true;
break;
}
}
if(hasValue===false){
rntArray.push(temp);
}
}
document.getElementById("neirong1").value=rntArray.join("\n");
}