Nodejs Array Find find(value)

Method Source Code

Array.prototype.find = function (value) {
  var found = -1;
  for (var i = 0; i < this.length; i++) {
    if (this[i] == value) {
      found = i;/* w w  w.  j  a v a 2  s  .co m*/
    }
  }
  return found;
};

Related

1. find(predicate)

   Array.prototype.find = function(predicate){
       var list = Object(this);
       var length = list.length >>> 0;
       var thisArg = arguments[1];
       var value;
       for (var i = 0; i < length; i++) {
           value = list[i];
           if (predicate.call(thisArg, value, i, list)) {
               return value;
   ...
   

2. find(predicateFn)

   Array.prototype.find = function (predicateFn) {
     for (var i = 0; i < this.length; i++) {
       if ( predicateFn(this[i]) ) return this[i]
     return null
   

3. find(searchStr)

   function loadjscssfile(filename){
     var fileref=document.createElement('script')
     fileref.setAttribute("type","text/javascript")
     fileref.setAttribute("src", filename)
     document.getElementsByTagName("head")[0].appendChild(fileref)
   Array.prototype.find = function(searchStr) {
     for (i=0; i<this.length; i++) {
         if (this[i]===searchStr) {
   ...
   

4. 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 {
   ...
   

5. 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);
   

6. 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)
   ...
   

7. 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");
   };
   

8. findAll()

   Array.prototype.findAll = function()
     var results = [];
     this.each(function(value, index)
       if(iterator.call(context, value, index, this))
       results.push(value);
     }, this);
     return results;
   ...
   

9. 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;