Question

You want to add a new method called compareTo() to the default JavaScript's String object. How will you do it?

Cosmo · Accepted Answer

The prototype property allows you to add properties and methods to an object.
Example:

object.prototype.name=value

Cosmo · Accepted Answer

String.prototype.compareTo = function(){
        // method
    }

Cosmo · Answer

prototype

Cosmo · Answer

String.method.compareTo = function(){
        //method
    }

Cosmo · Answer

String.compareTo = function(){
        //method
    }