To achieve this, the two parties have to establish an agreement. That agreement is called the Application Programming Interface or in short, the API.

• CSS is a styling language used to style HTML pages so that they can be used to attract users.
• If you follow a good naming for your selectors and the use of namespacing, will be really easy to come with a different theme and apply it to your Web App.
• Each style rule has a global scope, so it applies to the entire project.
• By acknowledging and leveraging the synergy between CSS and JavaScript, developers can craft web experiences that are both beautiful and functional, making users’ journeys intuitive and enjoyable.
• Maybe a better example would be comparing either to the use of tables for layout.
• If either of those conditions is true, I would add a class to the dropdown menu that makes it visible.

Angular, React, Vue, and other frameworks are all based on modules called “components” from which you can build up an entire single-page application (SPA). A component is usually a UI element such as a button, pop-up, or navigation bar. You only need to create a component once and you can reuse it in any context within the application.

What Can You Do With CSS?

I would use JavaScript to detect a change in focus, and then check if the currently in focus element is either that link or one of the items below it. There are times where, for accessibly, using JavaScript is actually better than using CSS. Every web page is made up of a bunch of these HTML tags denoting each type of content on the page. Each type of content on the page is “wrapped” in, i.e. surrounded by, HTML tags.

In short, JavaScript is a programming language that lets web developers design interactive sites. Most of the dynamic behavior you’ll see on a web page is thanks to JavaScript, which augments a browser’s default controls and behaviors. The goal of this post is to, in plain English, teach you with the basics of HTML, CSS, and one of the most common programming languages, JavaScript. But before we begin, let’s get an idea of what programming languages actually are. CSS, or Cascading Style Sheets, shape the HTML and affects how it’s displayed to the website visitor. These forms of styling include font color, background color, border-radius (rounded corners on boxes), the position of columns, hue, opacity, and separation.

HTML vs. CSS vs. JavaScript: What’s the Difference?

That is why, in the diagram above, the folder itself is the same. But the HTML file and the code that links it to the other files are different. You can eat, sleep, make meals… anything that you do at home, really! So, I am going to show how you can set up your first development environment with these three pieces. In order to understand this tutorial, you just need to know the basic parts of HTML, CSS and JavaScript.

If you want to have complete control over the design and function of your website, you should know at least some of the coding involved with JavaScript. Even though CSS is primarily used to create static visual effects, the latest versions of the programming language offer some functionality for the creation of very simple animations. JavaScript is the programming language, we use HTML to structure the site, and we use CSS to design and layout the web page. As a web developer, the three main languages we use to build websites are HTML, CSS, and JavaScript. Remember that in many cases, a combination of both CSS and JavaScript can be the most effective approach.

HTML and CSS

As we’ve already discussed, HTML, CSS, and JavaScript build on one another — from the simplest website structures to the most advanced interactive features. It is a relatively simple language that allows developers to create the basic structure of a website. It’s also the second-most-used programming language by developers, according to a recent Stack Overflow survey.

Bootcamps have become incredibly popular over the past decade, given their flexibility and practical, career-minded curriculums. However, you should keep in mind that your career goals will be an important factor in deciding how to learn these front end languages. You get basically everything you could need out of Javascript, but with better reusability and performance. Additionally, it keeps the cascade which is good for learning and can easily be used to your advantage. All three files must be in the same directory — a folder on your computer.

???? CSS

Anyone can learn to code, just like anyone can learn a new language. In fact, programming is kind of like speaking a foreign language — which is exactly why they’re called programming languages. Each one has its own rules and syntax that need to be learned step by step.

HTML helps you structure your page into elements such as paragraphs, sections, headings, navigation bars, and so on. DEV Community — A constructive and inclusive social network for software developers. Without styled system like Chakra UI or Rebass, I don’t really like CSS-in-JS much. In some scenarios, a hybrid approach using both CSS and JavaScript animations can offer the best of both worlds.

Pros of CSS Module

This guide elucidates their partnership, from the core principles to real-world applications, ensuring you’re equipped to harness their combined power. On the other hand, data, especially sensitive information like passwords, are stored and supplied from the back end part of the website. This is the part of a website which exists only on the server css web development computer, and isn’t displayed on the front-end browser. There, the user cannot see or readily access that information. Together, we use these three languages to format, design, and program web pages. The reason we were able to access these elements in our JavaScript was because we had set unique attributes on them, to help us identify them.

After, the browser creates CSSOM using all the external and internal CSS information. Now, the browser is ready to provide styles to the rendered HTML according to the CSS cascade rules. Note that any JavaScript frontend framework or library can implement the idea of CSS-in-JS. This article uses React — by far, the most popular JavaScript frontend library — to discuss the application of CSS-in-JS, along with its notable pros and cons. One dilemma that developers commonly face when working with JavaScript frameworks is whether or not to use CSS-in-JS. It’s likely that you have worked with CSS-in-JS before if you’re a React developer.

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If both animations are made in the main UI thread, there is no difference performance-wise. So, we have now created a new CSS file (let’s call it Dominos.css). We need to create a folder called pizza to show we are talking about a pizza place now, and substitute dominos.css for the old styles.css file.

Be Selective with CSS Properties

You might reasonably find that your go-to tools such as Sass or PostCSS are perfect for your goals and that you don’t want to pick up a new technology just for the sake of novelty. Although CSS-in-JS libraries allow you to build component-based applications in a logical and efficient manner, they also have some characteristics that might make you wary of them. As components include all the source code, styles, and logic they need for proper running, you can securely move them around.

While the HTML and CSS courses have five and six lessons respectively for you to take, the JavaScript course is even more robust and includes 14 lessons with 30 hours of coursework. Since you can change your HTML and CSS elements with JavaScript, this can be a very beneficial language to learn. The main language that you use all depends on your specific project and the business goals that you have. By identifying what these goals are, you should have a better idea of which languages are ideal when you are developing a website or application. HTML is a language that determines how documents and web pages are displayed in a web browser, the language for the building blocks of any website.