What is a constructor in JavaScript?
What is constructor function in JavaScript?
What is the use of constructor? What is constructor in c++? What is constructor in C? What is constructor in c#? What is constructor overloading in c++? What are constructors in C#? Does C++ have constructor overloading? Why is function an object in Javascript? Why can't we use the return value of a constructor as it returns the current class instance? What are constructers in Java? How was JavaScript created? What is JavaScript used for? Why do we need constructors in Java? Who makes javascript? And jquery How are primitive values implemented in JavaScript? What is the difference between Javascript and C++? For what purpose JavaScript is used? Purpose of Javascript? Why is JavaScript used? How is JavaScript used? Is JavaScript used only for web development? Why does the `new` operator in JavaScript take precedence over the member (dot or square bracket) operator, and where is that documented?  What is function in programming? What is an constructor in PHP? In your own words in the simplest way, with out using words like automatic, instant and initialize. What are the plus extjs added to JavaScript? What are the differences between extjs and JavaScript? Why does this function in JS not work? What is a function generator? What does the -1 mean in this JavaScript? Is the JavaScript is a object oriented programming language? What are the basic building blocks in Javascript?