Filters an array and returns all objects where the given field has the value of the given key. - Node.js Array

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Description

Filters an array and returns all objects where the given field has the value of the given key.

Demo Code

/**/* w  w w.  j  av  a  2s .  c  om*/
 * Filters an array and returns all objects where the given field has the value of the given key.
 * 
 * @param {String} field the name of the field
 * @param {String} key the wishd content of the field
 * @return Returns an  array containing only objects where the given field has the value of the given key
 * @type Array
 */
Array.prototype.filterByField = function(field, key) {
  var newArray = [];
  for (var i = 0; i < this.length; i++) {
    if (this[i][field] == key) {
      newArray.push(this[i]);
    }
  }
  return newArray;
};

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