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JavaScript

Posted by Omar Farag
Omar Farag
4,573 Points

What does the keyword 'new' do in JS?

I was doing a challenge and it wanted me to type the word 'new' before a variable.

What does 'new' do?

2 Answers

Omar Farag
Omar Farag
4,573 Points

Instance of an object? Could you please explain that? Thanks in advance.

jason chan
jason chan
31,009 Points
jason chan
jason chan
31,009 Points 
function Course(name, gradingareas, finalgrade) {
    this.name = name;
    this.gradingareas = gradingareas;
    this.finalgrade = finalgrade;
}

var course1 = new Course("CS1500", gradingareas, 85);

This is object oriented programming. Basically create a blueprint of a class, then create a new course it will always have the same guidelines like this name, grade area, and final grade.

You can do it for car. Like for example every car has a name, color, 4 tires. It takes time to understand.