What Is JavaScript Used For? The Most Common Uses Of JS

Though it may come as a surprise, software engineering and writing go hand-in-hand. Our qualified developers are adept at bringing the examples of JavaScript you’ve just glimpsed to life. At Trio, you can find remote developers that can manifest the potential of JavaScript in real-time. Developers have better control of the flow of data with single-way data flow versus two-way data flow in which the values passed to a component are mutable. Single-way data flow, alternatively called unidirectional data flow, is a feature of React. Virtual DOM entrusts the cache to hold a virtual instance of the DOM in memory.

javascript web development examples

Of course, the project will need HTML elements as well. We have not carried out any extensive styling, only including basic elements in the HTML itself. Apart from event listeners, we will also learn how to add and play audio files. Note that we have added very basic CSS, as the focus here is on JavaScript. You will have to import your own sounds and background image for the program to work fully.

JavaScript Array Iteration

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. Rounded corner HTML elements using CSS3 in https://globalcloudteam.com/ all browsersThis is a behavior htc file for Internet explorer to make CSS property “ border-radius ” work on all browsers. At present, all major browsers other than IE shows curved corner by adding 4 lines of css. You have several choices for coding projects in JavaScript.

javascript web development examples

The end result is a playful experience that makes learning feel effortless. Unusually, a loading screen is used for each of the pages as the crisp fullscreen images load up. Usually this would be a big no-no – users want the content as soon as possible.

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Web development involves all the behaviors enlisted to create a dynamic and interactive web page. To put it one way, front-end languages are the actors and back-end developers are behind the scenes directing the actor and dealing with production matters. Comparatively, languages used for back-end development perform most effectively when managing how a website works.

javascript web development examples

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. JavaScript is used to control the behavior of different elements. Trusted by business builders worldwide, the HubSpot Blogs are your number-one source for education and inspiration. JavaScript | Get the index of an object by its property. In the above example notice that the greeting passed as an argument to the ‘processUserName’ function.

Data Analytics

Now here you need to remember that the outer function can not have access to the inner function variable . Let’s take an example and understand it in a better way. As the name suggests IIFE is a function in Javascript which immediately invoked and executed as soon as it is defined. Variables declared within the IIFE cannot be accessed by the outside world and this way you can avoid the global scope from getting polluted. So the primary reason to use IIFE is to immediately execute the code and obtain data privacy.

javascript web development examples

Its description as a scripting language means code can be written right into HTML and executed at run-time without the need for prior compilation. As a client-side scripting language tailored to the browsing experience it is made to support all major browsers with full integration of HTML/CSS. It’s outside the scope of this article—as a light introduction to JavaScript—to present the details of how the javascript web development core JavaScript language is different from the tools listed above. You can learn more in MDN’s JavaScript learning area, as well as in other parts of MDN. Third-party APIs that allow developers to incorporate functionality in sites from other content providers, such as Twitter or Facebook. «I think the balance you see comes from this extended period of development,» explains producer Kylie Boltin.

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For example, an event will take place if the ‘S’ key is pressed. Once you change the location name in this project, the weather display changes immediately without a page refresh. Greatly improves user experience with dynamic functionality. Looking to get some practice with JavaScript or to build your portfolio to impress hiring managers? You can level up your JavaScript skills with our instructor approved, curated project tutorials.

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AJAX Meaning and Working Explained.

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It’s also used to build mobile apps and create server-based applications. You can add JavaScript to an HTML document by adding these «scripts,» or snippets of JavaScript code, into your document’s header or body. JavaScript is known for being a naturally very fast programming language that speeds up websites and applications. It enables developers to carry out maintenance and upgrades easily and it makes the debugging process simple.

Building web servers

A web application to help users message and be messaged completely anonymously. In the above example, the inner function ‘second()’ is a Closure. This inner function will have access to the variable ‘greet’ which is part of the outer function ‘first()’ scope. Here the parent scope won’t have access to the child scope variable ‘name’. Going Nuts with CSS TransitionsI’m going to show you how CSS 3 transforms and WebKit transitions can add zing to the way you present images on your site.

  • To test your understanding of the concepts behind the Hotel Booking App, your bonus challenge is this ticket booking app.
  • Its object-oriented framework helps developers code with dynamic functions in mind, resulting in an interactive experience for any given user.
  • If you don’t have any programming experience, you can read JS books or take basic JavaScript coursesand return to these projects later.
  • You can do a lot with JavaScript, but we don’t want to overwhelm you.
  • The people who use programming languages are often called programmers or developers.

As your JavaScript skills grow, your websites will enter a new dimension of power and creativity. Khan Academy’s website for tota11y is not overtly glamorous, but then, important work isn’t always glitzy. The down-to-business simplicity of the text – both in appearance and in content – belies the complexity of the problem the tool itself aims to alleviate. Leg Work does a lot of great work on the web, from graphic design to interaction and media. So it comes as no surprise to find that its own personal site is no exception. The studio’s personality shines through via fun, mixed-media illustrations.

Event Handlers

Another example where learning JavaScript makes more sense is APIs . API data is in the JSON format, which stands for JavaScript Object Notation. If someone works in digital marketing, specifically conversion rate optimization, the value of learning JavaScript comes from A/B testing pages. Conversion optimizers might rely on the visual editor that is built-in to these tools, but it’s limited and it couldn’t do a more granular change.

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