Nodejs Array Value valueIndexOf(val)

Method Source Code

Array.prototype.valueIndexOf = function(val) {
  for (var i = 0; i < this.length; i++) {
    if (this[i] == val) return i;
  }//from  ww  w  .j a  va 2 s  .  c o m
  return -1;
};

Related

1. trim(value)

   Array.prototype.trim = function (value) {
     var array = this.slice(0); 
     while (array.length > 0 && array[0] === value) {
       array.shift();
     while (array.length > 0 && array[array.length - 1] === value) {
       array.pop();
     return array;
   ...
   

2. 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) {
   ...
   

3. unset(value)

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

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. 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) { 
   ...
   

6. valuesAt(indices)

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

7. asArray(val)

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