Learn To Write Java Script – Are you a JavaScript developer? At your workplace, you probably have to share your work with your teammates. And, of course, everyone loves clean code. It is therefore essential to write simple code that is easy to read and quickly followed by other developers as well.
It is strongly advised to look at some of your old codes after completing the project. This way you can find ways to refactor and improve readability. For example, you can do this by wrapping repetitive code in subroutines, writing custom React hooks, etc.
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Knowing how to make your JavaScript as simple as possible is a valuable skill to have. Yes, it will make you the favorite of all desktop developers. Here are 3 ways to write elegant JavaScript code. Learn how to simplify your JavaScript code and make it easier for your team members to understand.
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Concept learning is crucial in relation to learning frameworks because concepts will remain forever. When you’re just starting out, it can be difficult to understand the concepts behind the code. For example, why is he behaving this way, and why is he doing it? But, eventually, with experience, you will begin to understand them.
Most beginners start coding but don’t understand it well. It might help you get started, but it won’t help you in the long run. Programmers should challenge themselves and know what they are doing and why they are doing it as they gain experience rather than just following the syntax.
Create your jQuery plugin and try to understand how it works. You can kick-start your learning process by learning more about objects, prototypes, and inheritance in JavaScript. Little by little, you will be able to learn how to create object chains, iterable, and better understand DOM. Learning JavaScript concepts and design patterns will help you in your overall programming career. You will survive even if its library or framework is dead in the future.
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Many developers use babel js, frameworks and SSR without understanding how it works. Sometimes they tend to use it even though it is not relevant in their context.
For example, some people use arrow functions simply because they are shorter. But, that’s not what it was made for in the first place. You can use arrows to solve context problems with functions. But most developers use arrow functions because it’s easier. However, you will only end up with errors if you have not used the correct tools.
Another well-known example is the use of async/await. Although async/await are convenient to use, you can’t use them in all situations. But many developers use async/wait everywhere and end up creating try/catch hell.
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Is the way to go. In short, you need to understand the context and know what to use and when.
Asking the questions above will lead you to choose the right tool. A project that does not need maintenance will not need the same architecture as an application that will last 2 or 3 years.
You won’t need React or any other framework all the time. When you start installing the CLI framework to make a modal or AJAX call, ask yourself a few questions. Sometimes all you need is an .html file and a script tag. It is therefore a question of knowing the context.
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The title says it all, but it’s time someone said it out loud. Programmers should think before writing unique code. Think and write a Unified Modeling Language (UML) or whatever will help you design more before you start coding.
You don’t have to do anything because it’s trendy or what other people are doing. TypeScript is good, but you don’t need to use it everywhere. Use TS only when necessary. Many developers use TS primarily because everyone around them does. But that’s unwanted hype.
Also use ES6+ and babel js only if it’s relevant to your project and not because it’s convenient. The same rule also applies to frameworks and libraries. Use it if it suits your project.
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Always focus on simplifying your code. In general, more lines of code require more errors and it will take you longer to fix them. A few lines of efficient code can perform the same function, probably even better than many lines of complex code.
By understanding the concept behind each line of code, you can write sleek and elegant JavaScript codes. Many newbie developers tend to follow the trend or what others are doing blindly. But, it will do more harm than good.
Always think twice before acting. Also, when you go through concepts, you can quickly adapt to any new framework or library. Yes, developers can easily update with new tools or technologies; if they know the concept behind their code.
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Ideally, you should be thorough with your basics. The rest will form. More than trendsetters and other developers, trust your intuition and question your code. Find out the reasons and try to simplify and improvise your code.
Use the tips mentioned above to make your JavaScript code look elegant. Create high-quality, user-friendly, readable code that performs flawless functions. Happy coding! JavaScript is a programming language that adds interactivity to your website. This happens in games, in the behavior of responses when buttons are pressed, or when entering data on forms; with a dynamic style; with animations, etc. This article helps you get started with JavaScript and increases your understanding of what is possible.
JavaScript is a powerful programming language that can add interactivity to a website. It was invented by Brendan Eich.
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JavaScript is versatile and beginner-friendly. With more experience you will be able to create games, animated 2D and 3D graphics, full database programs and much more!
JavaScript itself is relatively compact, but very flexible. s have written various tools on top of the basic JavaScript language, unlocking a great amount of functionality with minimal effort. These include:
It is beyond the scope of this article – as a light introduction to JavaScript – to detail the difference between basic JavaScript language and the tools listed above. You can learn more in MDN’s JavaScript tutorial, as well as other parts of MDN.
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The section below introduces some basic language aspects and also offers a chance to play around with some browser API functions. Enjoy!
JavaScript is one of the most popular modern web technologies! As your JavaScript skills develop, your websites will enter a new dimension of power and creativity.
However, becoming familiar with JavaScript is more difficult than becoming familiar with HTML and CSS. You may need to start small and progress gradually. To get started, let’s look at how to add JavaScript to your page to create a
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Disclaimer: If you haven’t taken the rest of our course, download this sample code and use it as a starting point.
Note: The reason the instructions (above) place the element near the bottom of the HTML file is that the browser reads the code in the order it appears in the file.
If the JavaScript loads first and it’s supposed to affect HTML that hasn’t been loaded yet, there may be issues. Placing JavaScript near the bottom of an HTML page is one way to account for this dependency. To learn more about alternative approaches, see Script Loading Strategies.
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Using JavaScript. To do this, you used a function called querySelector() to capture a reference to your title and then store it in a variable called
. This is similar to what we did with CSS selectors. When you want to do something to an element, you must first select it.
Note: The two functions you used in this exercise are part of the Document Object Model (DOM) API, which has the ability to manipulate documents.
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To better understand how JavaScript works, let’s explain some of the basic features of the language. It should be noted that these features are common to all programming languages. If you master these basics, you have a head start on coding in other languages too!
Warning: In this article, try typing the sample lines of code into your JavaScript console to see what happens. For more details on JavaScript consoles, see Learn about a browser.
Variables are containers that store values. You start by declaring a variable with the let keyword, followed by the name you give the variable:
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A semicolon at the end of a line indicates where a statement ends. It is only needed when you need to separate statements on a single line. However, some people think it’s good practice to have dots at the end of each statement. There are other rules for when you should and shouldn’t use your rules. For more details, see Your Guide to Points in JavaScript.
You can name a variable almost anything, but there are some limitations. (See this section on naming rules.) If you’re not sure, you can check your variable name to see if it’s valid.
It is a sequence of text known as a string. To indicate that the value is a string, enclose it in single quotes.
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It can be anything. Everything in JavaScript is
