Nodejs Array Convert toCommaSeparatedString()

Here you can find the source of toCommaSeparatedString()

Method Source Code

Array.prototype.toCommaSeparatedString = function() {

   if (this.length > 0) {

      if (this.length == 1) {

         return "" + this[0];
      } else {//from  w  w  w  .ja  v  a  2s  . c o  m

         var buf = new StringBuilder();
         for ( var i = 0; i < this.length; i++) {
            if (i > 0) {
               buf.append(",");
            }

            buf.append(this[i]);
         }
         return buf.toString();
      }
   }

   return null;

};

Related

  1. toArray()
    Array.prototype.toArray = function() {
      return [].concat(this);
    };
    
  2. toArray()
    Array.prototype.toArray = function() {
      return this.clone();
    };
    
  3. toArray(obj, start)
    Array.toArray = function(obj, start) {
       return Array.prototype.slice.call(obj, start); 
    };
    
  4. toArrayInt()
    Array.prototype.toArrayInt = function () {
        for (var i=0; i<this.length;i++) {
            this[i] = parseInt(this[i]);
        return this;
    };
    
  5. toColor()
    Array.prototype.toColor = function() {
      var n = this.length <= 3 ? 3 : 4;
      var pieces = this.concat( [0,0,0,0] ).slice(0,n);
      if (!this.length) {
        return "rgb(" + pieces.join() + ")";
      } else if (this.length <= 3) {
        return "rgb(" + pieces.join() + ")";
      } else if (this.length >= 4) {
        return "rgba(" + pieces.join() + ")";
    ...
    
  6. toDictionary(key)
    Array.prototype.toDictionary = function(key) {
      if (!key)
        key = function(x) { return x.id; };
      var dictionary = {};
      this.forEach(function(item) {
        var currentKey = key(item);
        if (!currentKey)
          return true;
        if (!dictionary[currentKey])
    ...
    
  7. toDictionary(keySelector, valueSelector)
    Array.prototype.toDictionary = function (keySelector, valueSelector) {
      var o = {};
      var l = this.length;
      while (l-- > 0) {
        var key = keySelector(this[l]);
        if (key == null || key == "") continue;
        o[key] = valueSelector(this[l]);
      return o;
    ...
    
  8. toFormat(spec)
    Array.prototype.toFormat = function (spec) {
      var buffer = [];
      for (var i = 0, len = this.length; i < len; i++) {
        buffer[i] = Jitsi.format(spec, this[i]);
      return buffer.join('');
    };
    
  9. toForty()
    Array.prototype.toForty = function () {
      for (var i = 1; i < 41; i++) {
        this.push(i);
      return this;
    },