Nodejs Array Value valuesAt(indices)

Method Source Code

Array.prototype.valuesAt = function(indices) {
   var ary = this;
   return indices.map(function(idx) { return ary[idx] });
};

Related

1. tw_indexOf(val)

   Array.prototype.tw_indexOf = function(val) {
       for (var i = 0; i < this.length; i++) {
           if (this[i] == val) return i;
       return -1;
   };
   Array.prototype.tw_remove = function(val) {
       var index = this.indexOf(val);
       if (index > -1) {
   ...
   

2. unset(value)

   Array.prototype.unset = function (value) {
       if (this.indexOf(value) !== -1) { 
           this.splice(this.indexOf(value), 1);
   };
   

3. unset(value,isIndex)

   Array.prototype.unset = function(value,isIndex) {
     var isIndex = isIndex || 0;
     if (value == undefined) {
       this.length = 0;
       return this;
     for (var i = 0, j = 0, l = this.length; i < l; ++i) {
       if (!isIndex) {
         if (this[i] != value) { 
   ...
   

4. unset(value,isIndex)

   Array.prototype.unset = function(value,isIndex) {
     var isIndex = isIndex || 0;
     if (value == undefined) {
       this.length = 0;
       return this;
     for (var i = 0, j = 0, l = this.length; i < l; ++i) {
       if (!isIndex) {
         if (this[i] != value) { 
   ...
   

5. valueIndexOf(val)

   Array.prototype.valueIndexOf = function(val) {
     for (var i = 0; i < this.length; i++) {
       if (this[i] == val) return i;
     return -1;
   };
   

6. asArray(val)

   Array.asArray = function(val){
       if(Array.isArray(val)){
           return val;
       } else {
           return [val];