The most common approach to achieving this is by defining a JavaScript function where we then create an object using the new keyword. this can be used to help define new properties and methods for the object as follows:

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// A car "class"
function Car( model ) {
 
  this.model = model;
  this.color = "silver";
  this.year = "2012";
 
  this.getInfo = function () {
    return this.model + " " + this.year;
  };
 
}

We can then instantiate the object using the Car constructor we defined above like this: