Nodejs Array Sort sort(fn)

Method Source Code

Array.prototype.sort = function(fn) {
   if (!arguments[0]) {
      fn = function(a, b) {
         return a.compareTo(b);
      };//from   ww w.j  a  v a2  s .  com
   }
   
   for (var i = 0, len = this.length; i < len - 1; i++) {
      for (var j = i + 1, len = this.length; j < len; j++) {
         if (fn(this[i], this[j]) > 0) {
            var tmp = this[i];
            this[i] = this[j];
            this[j] = tmp;
         }
      }
   }
   
   return this;
};

Related

1. sortABC( property )

   Array.prototype.sortABC = function( property )
     return this.sort( function( a,b)
       var links = a[property].replace(/?, "Oe").replace(/?, "Ae").replace(/?,"Ue");
       var rechts = b[property].replace(/?, "Oe").replace(/?, "Ae").replace(/?,"Ue");
       if( links < rechts) return -1;
       if( links > rechts) return 1;
       return 0;
   ...
   

2. sortAscending()

   Array.prototype.sortAscending = function() {
     return this.sort( function( a, b ) {
       if ( a > b ) {
         return 1;
       return a < b ? -1 : 0;
     } );
   };
   

3. sortAscending()

   Array.prototype.sortAscending = function() {
     this.sort(function(a, b) {
       return a - b;
     });
     return this;
   };
   var largestProductOfThree = function(array) {
     array = array.slice().sortAscending();
     var secondFromLast = array[array.length - 2];
   ...
   

4. sortBool(iteratee)

   Array.prototype.sortBool = function(iteratee) {
       var _iteratee = function(a, b) {return iteratee(a, b) ? -1 : 1};
       return this.sort(_iteratee);
   };