Nodejs Array Compact compact()

Here you can find the source of compact()

Method Source Code

Array.prototype.compact = function()
{
    var a = [];//from w ww.j  ava2  s  . c o  m
    for( var i = 0; i < this.length; i++ ) {
        if( i in this ) 
            if( this[ i ] != "" ) a.push( this[ i ] );
    }
    return a;
};

Related

  1. compact()
    Array.prototype.compact = function() {
      var results = [];
      for (var i = 0, len = this.length; i < len; i++) {
        if (this[i] != null) {
          results.push(this[i]);
      return results;
    };
    ...
    
  2. compact()
    Array.prototype.compact = function() {
      return this.select(function(value) {
        return value != null;
      });
    };
    
  3. compact()
    Array.prototype.compact = function() {
      return this.filter(function(item) {
        return !!item;
      });
    Object.prototype.compact = function() {
      var key, compacted;
      compacted = {};
      for(key in this) {
    ...
    
  4. compact()
    Array.prototype.compact = function () { 
      return this.filter((a) => a) 
    
  5. compact()
    Array.prototype.compact = function(){
        var ca = [];
        for(var i in this){
            if (this.hasOwnProperty(i)) {
                if ( present(this[i]) ) {
                    ca.push(this[i]);
        return ca;
    };
    
  6. compact()
    Array.prototype.compact = function(){
        var compacted = [];
        for(var i = 0; i < this.length ; i++){
            if(this[i]){
                compacted.push(this[i]);
        };
        return compacted;
    };
    ...
    
  7. compact()
    Array.prototype.compact = function () {
      return this.filter((value) => {
        return value;
      });
    };
    
  8. compact()
    Array.prototype.compact = function() {
      return this.filter(function(i) {if (i) return true})
    Array.prototype.collect = function(key) {
      return this.map(function(i){return i[key]})
    Array.prototype.avg = function(key) {
      return eval(this.join('+')) / this.length;
    Array.prototype.stats = function() {
      var avg = this.avg();
      var diff2 = this.map(function(i) {return (i-avg)*(i-avg)});
      var diff2avg = diff2.avg();
      return {
        diff2: diff2,
        var: diff2avg,
        std: Math.sqrt(diff2avg),
        avg: avg,
        total: this.length
    Array.prototype.reduceToHash = function(key, val) {
      var tmp = {};
      this.forEach(function (i) {
        var k = i[key];
        var v = i[val];
        if (!tmp.hasOwnProperty(k))
          tmp[k] = [];
        tmp[k].push(v)
      });
      return tmp;