This page shows some simple ways to use prototyping in JavaScript: to see the JavaScript code click on the show code label below, or have a look to the HTML source of this page. The tutorial introduces also the implicit arguments and instanceof JavaScript features.

The run function (contained in this page) implements three examples:

1. Adding the changeName method to a custom class (the dog class)
2. Adding the adams method to the Array implicit object (starting from the array [])
3. Testing some very simple regular expressions

   

               

Show code