Nodejs Utililty Methods Array Select

List of utility methods to do Array Select

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Description

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

Method

select(f)
Array.prototype.select = function(f){
  var newArray = [];
  var temp = '';
  for(var i = 0; i < this.length; i++){
     temp = f(this[i]);
      if(temp != null || temp!= undefined){
          newArray.push(temp);
  return newArray;
};
select(fields)
Array.prototype.select = function (fields) {
    return this.map(function (i) {
        var res = {};
        fields.forEach(function (f) {
            res[f] = i[f];
        });
        return res;
    });
};
...
select(filter)
Array.prototype.select = function(filter)
  var newArr = []
  for (var i = 0; i< this.length; i++) {
    if(filter(this[i])){
      newArr.push(this[i]);
  return newArr;
...
select(fnCallback)
Array.prototype.select = function(fnCallback) {
    var value = Array();
    for (var elementIndex in this) {
        if (this.hasOwnProperty(elementIndex)) {
            value.push(fnCallback.apply(this[elementIndex], [elementIndex]));
    return value;
};
...
select(fun)
Array.prototype.select = function(fun) {
  return this.reduce(function(res, el) {
    if(fun(el)) {
      res.push(el);
    };
    return res;
  }, []);
select(func)
Array.prototype.select = function (func) {
    var length = this.length,
        items = [];
    for (var i = 0; i < length; i++) {
        items.push(func(this[i]));
    return items;
select(lambda)
Array.prototype.select = function(lambda) {
    if (lambda == undefined) {
        return this;
    } else {
        result = [];
        for (i = 0; i < this.length; i++) {
            if (lambda(this[i])) {
                result.push(this[i]);
        return result;
};
select(predicate)
Array.prototype.select = function(predicate){
    var r = []
    for(var n = 0; n < this.length; n++) {
        if(predicate(this[n])){
            r.push(this[n]);
    return r;
};
...
select(projection)
Array.prototype.select = function (projection) {
    var results = [];
    for (var i = 0; i < this.length; i++) {
        results.push(projection(this[i]));
    return results;
};
var children = [{ id: 1, Name: "Rob" }, { id: 2, Name: "Sansa" }, { id: 3, Name: "Arya" }, { id: 4, Name: "Brandon" }, { id: 5, Name: "Rickon" }];
var filteredChildren = children.where(function (x) {
...
select(selectFunction)
Array.prototype.select = function(selectFunction) {
    return this.inject([], function(result, element) {
        if (selectFunction(element)) {
            result.push(element);    
        return result;
    });
};