An alternative to JavaScript's new operator added in ECMAScript 5 and championed by Douglas Crockford.
Object.create() is an alternative to JavaScript's new operator added in ECMAScript 5 and championed by Douglas Crockford.
Questions tagged [object-create]
71 questions
0
votes
1 answer
When using Object.create() how do you reference Object keys withing other object keys
I'm trying to learn Object.create by making a contrived calculator module. I've tried bind I've tried removing this, but no results.
QUESTION:
How do you reference a property of an object within another property of an element like you would with a…
Armeen Moon
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0
votes
1 answer
Why is the prototype chain being executed differently?
I'm trying to learn more about Javascript and dig a bit into the prototype chain. I wanted to create a small extension for an HTMLElement when I came across this problem.
The way I understand Object.create is that the object that is passed to it is…
peinearydevelopment
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- 76
0
votes
0 answers
Spring getBean very slow
The code below is used to create many beans and add them to a list for further usage
final List> tasks = new ArrayList<>();
for (long i : manyLongs) {
tasks.add((Flow) ctx.getBean("flowBeanName",…
idipous
- 2,868
- 3
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- 45
0
votes
1 answer
Factory Design Pattern with only one concrete class type
Hi there I hope I am able to explain myself clear enough with this problem I have been really confused about.
I have a concrete class called UTModule, it is not subclassed at all, but it is composed of several different abstract objects (for example…
AndyNZ
- 2,131
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0
votes
1 answer
extending Object.create() in javascript
I'm extending Object.create() to take a second argument e.g
if (typeof Object.create !== 'function') {
Object.create = function (o,arg) {
function F() {}
F.prototype = o;
return new F(arg);
};
}
//could be multiple…
user818991
0
votes
1 answer
Why doesn't "var derived1 = new Object(base)" set the derived1.prototype to base?
Given the following code sample:
var base = {
one: "one",
two: 2,
test: function() { return "test"; }
};
var derived1 = new Object(base);
function Ctor() { };
Ctor.prototype = base;
var derived2 = new Ctor();
var proto1 =…
James Cadd
- 12,136
- 30
- 85
- 134
0
votes
1 answer
Javascript Object.Create copying reference to object
I have the following code
ViewModel.prototype.update = function(initial) {
var ittr, key, val, x;
for (key in initial) {
val = initial[key];
if ($.isArray(val) && $.isArray(this[key]())) {
ittr = 0;
while (ittr < val.length)…
DrSammyD
- 880
- 12
- 32
0
votes
1 answer
Does Object.create support so called class methods?
When I create an object using a constructor like:
function Person(name, age) {
this.name = name;
this.age = age;
}
I can add properties that are functions to the constructor function which act like (static) class methods. Object.create doesn't…
Fred Finkle
- 1,947
- 3
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- 21
-1
votes
2 answers
Parent class reference pointing to Child class Object
I have confusion in object life cycle. If parent class reference pointing to the child class object and method is overridden. For example
class Parent {
public void display(){
System.out.println("i am from Parent");
}
}
class…
Girish
- 107
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-4
votes
1 answer
Javascript in Object Literal approach difference between calling a method direct and using Object.create?
Suppose this is my object
// Object Literal
var personObjLit = {
firstname : "John",
lastname: "Doe",
greetFullName : function() {
return "personObjLit says: Hello " + this.firstname +
", " + this.lastname;
}
}
I…
Piyush Jain
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-4
votes
1 answer
I want to write a function in Java that takes a String as argument and creates an object with the same name
Say I am getting names of people and want to create person objects of the same name, something like this :
void foo(String str){
Person str = new Person();
}
So that later I can refer to the person by name, something like :
int…
whatzdamatter
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