Want to learn how to use HTML, CSS, and JavaScript to build a website?

If so, you have come to the right place.

If you have never coded before, making a website from scratch, including the layout and design, can be very scary.

First, though: what are CSS, HTML, and JavaScript?:

Well, you could look up the definitions of both terms on Wikipedia, but they are not straightforward to understand. Let us try to keep things simple:

CSS (Cascading Style Sheets) tells how a web page and its parts look and how they are put together. 

HTML (Hypertext Markup Language) describes where things go on a web page, how they are laid out, and what is on the page.

JavaScript is used to tell different elements how to act.

You cannot have one without the other because they work together to make the final web page, design, and content.

This article is more about helping you think about how to make a website than about the technical side of things if you are here because you want to learn how to code websites. Check out How to Learn Milwaukee web design or my series on learning CSS, HTML, and JavaScript.

Here is a step-by-step guidelines for creating a webpage using HTML, CSS, and JavaScript:

What does HTML mean?:

Hyper Text Markup Language is what HTML stands for. So, you can think of HTML as the language used to write detailed instructions about a web page’s style, type, format, structure, and make-up before it is printed (shown to you).

However, regarding Milwaukee web design, “rendered” is a better word than “printed.”

HTML helps you organize your page into parts like paragraphs, sections, headings, navigation bars, and so on. Let us make a simple HTML document to show what a page looks like:

This is how you can use HTML to format and organize a document. As you can see, this markup has some web elements, such as:

· Heading h1 for level 1

· Heading h2 for level 2

· H3 heading level 3

· A paragraph p

· A list of bullet points that is not in order.

· A button was pushed.

· And the rest of the page’s text.

· What a web browser shows when it reads the markup above is:

You can also give these elements attributes that you can use to identify and get to them from other parts of the site.

In our example, we gave all three span elements an id attribute. This will make it easier for us to use them in our JavaScript, as you will see later.

Think of this attribute as being like your username on social media. With this name, people on social media will be able to find you. In addition, someone can call you by this name or talk about you (you can get tagged in a post, and so on).

This page, on the other hand, is straightforward and boring. If you are not making a demo, you will need to add some basic styling to make it look better. And CSS lets us do that very thing.

What does CSS mean?:

HTML is a markup language used to format and structure a web page. On the other hand, CSS is a design language used to make a web page look good. CSS stands for “Cascading Style Sheets,” a way to make a web page look better. Adding well-thought-out CSS styles can make your page look better and be easier for the end user to use.

Think about how people would look if they were just made of skeletons and bones. That’s not nice. So CSS is like our skin, hair, and the way we look.

You can also use CSS to lay out your page by putting elements in certain spots.

You have to “select” these parts to get to them. You can choose one or more web elements and tell them how to look or where they should go.

CSS selectors are the rules that control this process. With CSS, you can change the color, typeface, spacing, margins, background, padding, and a lot more of your elements.

If you remember our HTML page example, it had parts that were pretty easy to understand. I said, for instance, that I would change the level one heading h1 to read. To show how CSS works, I’ll give you the code that makes the background color of the three levels of headers red, blue, and green, in that order:

When the above style is used, it will make our Milwaukee web design look like this:

We can “select” each element we want to work on to get to it. The h1 selects all of the page’s level 1 headings, the h2 selects all group 2 pieces, and so on. You can choose a single HTML element and tell it how it should look or where it should go.

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What exactly is JavaScript?:

If HTML is the language for markup and CSS is the language for design, then JavaScript is the language for programming. If you don’t know what programming is, think about some things you do every day: When you sense danger, you run. You eat when you’re hungry. You sleep when you’re tired. When you’re cold, you want to find somewhere warm. When crossing a busy road, you figure out how far away the cars are.

Your brain has been set up to respond or act a certain way when something happens. In the same way, you can set up your Milwaukee web design or certain parts of it to react in a certain way and do something when something else happens (an event).

You can write instructions for actions, conditions, calculations, network requests, tasks that run simultaneously, and much more. Using the Document Object Model API (DOM), you can get to any element and change it in any way you want.

The web page loaded into the browser is shown in the DOM as a tree.

Thanks to the Document Object Model (DOM), we can use methods like getElementById() to get to parts of our web page.

Programming is all about making your webpage “think and act.” JavaScript lets you do this.

If you remember from our example HTML page, I said I would add the two numbers on the page and then show the result where the placeholder text was. When you click the button, the calculation starts.

This code shows how you can use JavaScript to do calculations:

Don’t forget what I said about HTML attributes and how to use them. This code shows nothing but that.

The display is a function that takes two things from a web page, turns them into numbers (using the Number method), adds them up, and sends the total to another element as its inner value.

We could use JavaScript to get to these elements because we had given them unique attributes that helped us find them.

So

Lastly, when you click the button, the new page will show you the sum of the two numbers:

Conclusion:

HTML, CSS, and JavaScript are the three main languages that Milwaukee web designer use to build websites. JavaScript is the language used to write the code. HTML is used to organize the site, and CSS is used to design and lay out the web page.

JavaScript is also used in more places than just browsers now. Thanks to Node.js, we can now use it on the server.

But the fact remains that the main languages of the Web are CSS, HTML, and JavaScript.

I hope this article helped you in some way. I have one last thing to say about this article. I just started a series of weekly coding challenges to help people learn how to program in JavaScript.

Author

  • Editor in Chief Editor-in-Chief of CTE Solutions, Lester is a tech security analyst, cybersecurity professional, and a white hat hacker.