Object Oriented Programming
The eventual goal is to teach you how to program using the DOM. I move fairly slowly in these articles, attempting to cover any stumbling blocks that may hinder people.
When learning something new, things may not be clear at first. You just need to push on because sooner than you think, things will 'snap' into place for you. Soon you will be wondering why you thought it was hard in the first place!
One of the reasons people find programming so challenging is that they do not get a good enough grasp of the basics. In my own process of learning to program (I have picked up 8 languages so far) I have always found that every time I got confused was because there was some basic concept I did not grasp. The solution is always to go back to the basics, because once you have them, everything else is easy!
Why did I mention all this?
I wanted to explain the reasoning behind my approach to teaching programming in these articles. The first two articles are theory-heavy and I take my time to slowly introduce these core concepts of programming. There are some actual programming examples but they are short. Once the basic concepts are understood, we will jump into practical usable programming examples, which by that time will be much easier for you than if I would have jumped in right away.
Our eventual goal: to use the DOM
Easily build dynamic menus, change the font size of a paragraph on your page when someone clicks a link or image, etc. I won't go on, but you can do all this and much more and it will work with all the modern browsers since the DOM is a standard that the browsers adhere to well.
Introduction to Object Oriented Programming
Another way you can think of it is as a business (like Microsoft or McDonalds) where the business is the program and the objects are the people who work at this business and with each other to get the work done.
So for example, let's say at a McDonalds we have Wang, who works the cash, Tyrone, who makes the burgers, and John, who washes the floors. These three guys are in of themselves individual objects (a little insulting I know, but hey, this is just an example!) and each of these guys (objects) has its own function (things that he/it does) and together they make McDonalds work. Of course there are several others working at McDonalds, but the point is that all these individuals work together to do the job of running the restaurant.
So when you're Object Oriented Programming you are creating a bunch of individual objects that work together to make the program as a whole. I will get to an example in just a minute, but before I have two questions that must be answered:Top
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