Nodejs Array Convert to_s()

Method Source Code

Array.prototype.to_s = function(){return this.join('');};

Related

1. toStrGen(originStr)

   Array.prototype.toStrGen=function(originStr){
     if(Object.prototype.toString.call(originStr).slice(8,-1)==="Array"){
       return this.map(function(i){
         return originStr.join(i);
       }).reduce(function(m,n){return m+n+'\b'}, "");
   };
   

2. toUnique()

   Array.prototype.toUnique = function() {
       var dict = {},
           arrayLength = this.length,
           elem,
           i,
           key,
           uniqueArray = [];
       for (i = 0; i < arrayLength; i++) {
           elem = this[i];
   ...
   

3. toUniqueDictionary(key)

   Array.prototype.toUniqueDictionary = function(key) {
     if (!key)
       key = function(x) { return x.id; };
     var dictionary = {};
     this.forEach(function(item) {
       var currentKey = key(item);
       if (!currentKey)
         return true;
       dictionary[currentKey] = item;
   ...
   

4. toUpper()

   Array.prototype.toUpper = function() {
     return this.map(function(x) { return x.toUpperCase(); });
   

5. to_frequency()

   Array.prototype.to_frequency = function(){
     hashed_picks = {}
     for (var i = 0; i < this.length; i++){
       pick = this[i].toString()
       if (hashed_picks[pick] == undefined){
         hashed_picks[pick] = 1
       }else{
         hashed_picks[pick]++
     return hashed_picks