Nodejs Utililty Methods Array Extract

List of utility methods to do Array Extract

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Description

The list of methods to do Array Extract are organized into topic(s).

Method

extract(attribute)
"use strict";
Array.prototype.extract = function(attribute) {
  var newArr = [];
  for (var i = 0; i < this.length; i++) {
    newArr.push(this[i][attribute]);
  return newArr;
extract(field)
Array.prototype.extract = function(field) {
  var newArray = [];
  for (var i = 0; i < this.length; i++) {
    if (this[i][field] != undefined) {
      newArray.push(this[i][field]);
  return newArray;
};
...
extract(predicate)
Array.prototype.extract = function(predicate) {
    var removed = [];
    if (this.length===0 || !predicate || typeof predicate !== 'function') {
    return removed;
    var idx = 0;
    while(idx < this.length) {
        if (predicate(this[idx])) {
            removed.push(this[idx]);
...