Nodejs Array Union getUnionStr(filed,split)

Method Source Code

Array.prototype.getUnionStr=function(filed,split){
   //if(!(filed instanceof String))return "";
   try{//from   ww  w .j a  va2  s  .  co m
   //if(!filed.isString())return "";
   var unionStr=new String();
   if(!split){
      split=",";
   }
   for(var i=0;i<this.length;i++){
      var tempVal=this[i][filed];
      //if(!tempVal.isString())continue;
      unionStr+=tempVal+split;
   }
      unionStr=unionStr.substr(0,unionStr.lastIndexOf(split));
   return unionStr;
   }catch(ex){console.log(ex);}
}

Related

1. union(b)

   Array.prototype.union = function(b) {
     return this.concat(b).uniquelize();
   };
   

2. union(other)

   Array.prototype.union = function (other) {
     var hash = {};
     for (var i = 0; i < this.length; i++) {
       hash[this[i]] = true;
     for (var j = 0; j < other.length; j++) {
       hash[other[j]] = true;
     return Object.keys(hash);
   ...
   

3. union(t)

   Array.prototype.union = function(t)
       return this.concat(t).unique();
   

4. getUnionAttrStr(filed,split)

   Array.prototype.getUnionAttrStr=function(filed,split){
     try{
     var unionStr=new String();
     if(!split){
       split=",";
     for(var i=0;i<this.length;i++){
       var tempVal=this[i][filed];
       unionStr+=tempVal+split;
   ...
   

5. getUnionAttrStr(filed,split)

   Array.prototype.getUnionAttrStr=function(filed,split){
     try{
     var unionStr=new String();
     if(!split){
       split=Toyz4js["cfg"]["array_separator"];
     for(var i=0;i<this.length;i++){
       var tempVal=this[i][filed];
       unionStr+=tempVal+split;
   ...