Nodejs Array Find findAll()

Method Source Code

Array.prototype.findAll = function()
{
   var results = [];
   this.each(function(value, index)
   {/*from www  .  jav  a  2 s. c o m*/
      if(iterator.call(context, value, index, this))
      results.push(value);
   }, this);
   return results;
}

Related

1. find(searchStr)

   Array.prototype.find = function(searchStr) {
     var returnArray = false;
     for (i=0; i<this.length; i++) {
       if (typeof(searchStr) == 'function') {
         if (searchStr.test(this[i])) {
           if (!returnArray) { returnArray = [] }
           returnArray.push(i);
       } else {
   ...
   

2. find(value)

   Array.prototype.find = function(value)
       for (var i = 0; i < this.length; i++)
           if (this[i] === value)
               return i;
       return false;
   function log(msg)
     console.log(msg);
   

3. find(value)

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

4. find(what)

   function find(what, where)
     for(var i=0; i<where.length;i++)
       if(where[i] == what) return i;
     return -1;
   function NumCompare(a,b)
   ...
   

5. findAll( func )

   Array.prototype.findAll = function( func ) {
     if( $.isFunction(func) ) {
       var _arr = [];
       for( var i=0; i<this.length; i++ ) {
         var item = this[i];
         if( func(item) == true ) {
           _arr.push(item);
       return _arr;
     else {
       console.log("Please pass a function when using findAll","Error");
   };
   

6. arrayContains(find)

   Array.prototype.arrayContains = function(find){
     for (item in this) {
       if(this.hasOwnProperty(item)) {
         var pattern = new RegExp(String(this[item]).trim(), 'gi');
         if (find.search(pattern) != -1) return true;
     return false;
   

7. findAndRemove(value)

   Array.prototype.findAndRemove = function (value) {
     for (var i = 0; i < this.length; i++) {
       if (this[i] == value) {
         this.splice(i, 1);
   };
   

8. findAndRemoveObject(value, key)

   Array.prototype.findAndRemoveObject = function (value, key) {
       for (var i = 0; i < this.length; i++) {
           if (this[i] && this[i][key] == value) {
               this.splice(i, 1);
   };
   

9. findBy(field, value)

   Array.prototype.findBy = function (field, value) {
       return this.filter(function (i) {
           return i[field] === value;
       })[0];
   };