Nodejs Class Extend extend(obj)

Method Source Code

// Object//from  w ww.j av a  2s . c o m
Object.prototype.extend = function(obj) {
   for (var i in obj) {
      if (obj.hasOwnProperty(i)) {
         this[i] = obj[i];
      }
   }
};

// Array
Array.prototype.first = function() {
    return this.length && this[0];
};

// Element
Element.prototype.remove = function() {
    this.parentElement.removeChild(this);
};
Element.prototype.find = function(id) {
    var result = null;
    for (var i = this.children.length - 1; i >= 0 && !result; i--) {
      if ( this.children[i].id === id ) {
        result = this.children[i];
      }
      else {
        result = this.children[i].find(id);
      }
    }
    return result;
};

Related

1. __extends(superClass)

   Function.prototype.__extends = function(superClass) { 
       this.prototype = Object.create(superClass.prototype);
   }; 
   Object._entries = function(obj) {
       var entry = [];
       for (key in obj)
           entry[entry.length] = [key, obj[key]];
       return entry;
   };
   ...
   

2. Inherits(parent)

   Object.prototype.Inherits = function(parent) {
     if(arguments.length > 1) {
       parent.apply(this, Array.prototype.slice.call(arguments, 1) );
     } else {      
       parent.call(this);
   };
   

3. extend()

   Object.prototype.extend = function(){
      var Obj = function(){};
      Obj.prototype = this;
      return new Obj();
   

4. extend(destination, source)

   Object.extend = function(destination, source) {
     for (var property in source) {
       if (source.hasOwnProperty(property)) {
         destination[property] = source[property];
     return destination;
   };
   

5. extend(destination, source)

   Object.extend = function(destination, source) {
     for (var property in source) {
       if (source.hasOwnProperty(property)) {
         destination[property] = source[property];
     return destination;
   

6. extend(object)

   Object.prototype.extend = function (object)
     var combined = this;
     object.each( function (value, key)
       combined[key] = value;
     });
     return combined;
   };
   ...
   

7. extend(other)

   Object.prototype.extend = function(other)
     let property;
     for (property in other)
       if( other.hasOwnProperty(property) &&
           other[property] != null )
         this[property] = other[property];
   ...
   

8. extend(target)

   Object.extend = function(target) {
       Array.toArray(arguments, 1).forEach(function(source) {
           var fld;
           for (fld in source) {
               if (source.hasOwnProperty(fld)) {
                   target[fld] = source[fld];
       });
   ...