{"id":26814,"date":"2023-07-13T15:04:47","date_gmt":"2023-07-13T13:04:47","guid":{"rendered":"https:\/\/careerfoundry.inbearbeitung.de\/en\/?p=26814"},"modified":"2023-07-13T15:04:47","modified_gmt":"2023-07-13T13:04:47","slug":"learn-typescript","status":"publish","type":"post","link":"https:\/\/careerfoundry.inbearbeitung.de\/en\/blog\/web-development\/learn-typescript\/","title":{"rendered":"Should You Learn TypeScript? A Beginner\u2019s Guide"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">So you want to learn TypeScript. Maybe you already know <a href=\"https:\/\/careerfoundry.inbearbeitung.de\/en\/blog\/web-development\/introduction-to-javascript\/\" target=\"_blank\" rel=\"noopener\">JavaScript<\/a> and are wondering the difference between the two. Or maybe you&#8217;re wondering how to learn TypeScript to begin with.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">TypeScript is a powerful programming language that\u2019s gaining traction with developers. If you already know JavaScript, you\u2019re in luck\u2014Typescript is a superset of it. We\u2019ll go into that more below!<\/span><\/p>\n<p><span style=\"font-weight: 400;\">We&#8217;ll walk you through the basics of TypeScript, including its key features, syntax, and how it differs from JavaScript. We&#8217;ll also provide you with some tips on how to get started with learning TypeScript, including resources and best practices to help you become proficient in no time.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Whether you&#8217;re a JavaScript pro looking to expand your horizons or a newbie just starting out in web development, learning TypeScript can be a valuable addition to your skillset. So, let&#8217;s dive in!<\/span><\/p>\n<p><span style=\"font-weight: 400;\">To jump right to a specific section, just click on the heading.<\/span><\/p>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><strong><a href=\"#what-is-typescript\">What is TypeScript?<\/a><\/strong>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><a href=\"#what-is-typescript-for\"><span style=\"font-weight: 400;\">What is TypeScript for?<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><a href=\"#why-use-typescript-instead-of-javascript\"><span style=\"font-weight: 400;\">Why use TypeScript instead of JavaScript?<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><a href=\"#benefits-of-learning-typescript\"><span style=\"font-weight: 400;\">Benefits of learning TypeScript<\/span><\/a><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><strong><a href=\"#typescript-vs-javascript\">TypeScript vs JavaScript<\/a><\/strong><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><strong><a href=\"#how-to-learn-typescript\">How to learn TypeScript<\/a><\/strong>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><a href=\"#do-you-need-javascript-to-learn-typescript\"><span style=\"font-weight: 400;\">Do you need JavaScript to learn TypeScript?<\/span><\/a><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"#typescript-faqs\"><strong>TypeScript FAQs<\/strong><\/a><\/li>\n<\/ol>\n<h2 id=\"what-is-typescript\"><span style=\"font-weight: 400;\">1. What is TypeScript?<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">We mentioned TypeScript is a superset of JavaScript, but what does that mean?<\/span><\/p>\n<p><span style=\"font-weight: 400;\">A <strong>superset<\/strong> refers to a language that includes all the features and syntax of another language, while also adding additional features or enhancements.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">When talking about TypeScript vs JavaScript, this means that <strong>all valid JavaScript code is also valid TypeScript code<\/strong>, as TypeScript is designed to build on top of JavaScript. However, TypeScript adds additional features on top of JavaScript, such as static typing, interfaces, classes, and decorators, which are not part of standard JavaScript.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Developed and maintained by Microsoft, TypeScript offers to improve code quality, reduce bugs, and enhance productivity, especially in large-scale applications. It has been widely adopted in many modern web development frameworks and libraries, such as <a href=\"https:\/\/careerfoundry.inbearbeitung.de\/en\/blog\/web-development\/angular-vs-react-guide\/\" target=\"_blank\" rel=\"noopener\">Angular, React<\/a>, and Vue, and is supported by a large and active community of developers.<\/span><\/p>\n<h3 id=\"what-is-typescript-for\"><span style=\"font-weight: 400;\">What is TypeScript for?<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">One of the main reasons to use TypeScript is its <a href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Glossary\/Static_typing\" target=\"_blank\" rel=\"noopener\"><strong>static typing<\/strong><\/a>, which allows developers to specify types for variables, function parameters, and return values. This helps catch type-related errors during development, making the code more robust and reliable. In short, static typing can help prevent a lot of bugs!<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Static typing allows you to add and enforce types. Let\u2019s look at an example of some variables and a function written in TypeScript:<\/span><\/p>\n<p><span style=\"color: #993300;\"><span style=\"color: #800080;\">let<\/span> <span style=\"color: #000000;\">age:<\/span> number <span style=\"color: #000000;\">=<\/span> 25<span style=\"color: #000000;\">;<\/span><\/span><br \/>\n<span style=\"color: #993300;\"><span style=\"color: #800080;\">let<\/span> <span style=\"color: #000000;\">name:<\/span> string <span style=\"color: #000000;\">=<\/span> <span style=\"color: #33cccc;\">&#8220;John&#8221;<\/span><span style=\"color: #000000;\">;<\/span><\/span><br \/>\n<span style=\"color: #993300;\"><span style=\"color: #800080;\">let<\/span> <span style=\"color: #000000;\">isStudent:<\/span> boolean <span style=\"color: #000000;\">=<\/span> false<span style=\"color: #000000;\">;<\/span><\/span><\/p>\n<p><span style=\"color: #993300;\"><span style=\"color: #800080;\">function<\/span> <span style=\"color: #0000ff;\">greet<\/span><span style=\"color: #000000;\">(<\/span>name: string<span style=\"color: #000000;\">):<\/span> <span style=\"color: #0000ff;\">string<\/span><span style=\"color: #000000;\"> {<\/span><\/span><br \/>\n<span style=\"color: #993300;\">\u00a0 <span style=\"color: #800080;\">return<\/span> <span style=\"color: #33cccc;\">&#8220;Hello, &#8220;<\/span> <span style=\"color: #000000;\">+ name;<\/span><\/span><br \/>\n<span style=\"color: #000000;\">}<\/span><\/p>\n<p><span style=\"font-weight: 400;\">You can see it\u2019s similar to JavaScript except the variables, function arguments and return values also declare the expected type. This helps prevent values from being mutated and causing errors in your code.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">TypeScript also helps developers write more structured and readable code. This makes it easier to quickly see what the code is supposed to do. An example of this is interfaces, which are contracts that describe the shape of an object, specifying the expected properties and their types. Let\u2019s take a look:<\/span><\/p>\n<p><span style=\"color: #800080;\">interface<\/span> <span style=\"color: #000000;\">Person {<\/span><br \/>\nname: <span style=\"color: #993300;\">string<\/span>;<br \/>\n<span style=\"color: #000000;\">\u00a0 age:<\/span> <span style=\"color: #993300;\">number<\/span>;<br \/>\n}<\/p>\n<p><span style=\"color: #800080;\">let<\/span> <span style=\"color: #000000;\">person: Person = {<\/span><br \/>\n<span style=\"color: #000000;\"> name:<\/span> <span style=\"color: #33cccc;\">&#8220;Annie&#8221;<\/span>,<br \/>\n<span style=\"color: #000000;\">age:<\/span> <span style=\"color: #993300;\">25<\/span><br \/>\n<span style=\"color: #000000;\">};<\/span><\/p>\n<p><span style=\"font-weight: 400;\">You can see how it\u2019s a bit more clear what we can expect from the object here, as it\u2019s defined in the interface.<\/span><\/p>\n<h3 id=\"why-use-typescript-instead-of-javascript\"><span style=\"font-weight: 400;\">Why use TypeScript instead of JavaScript?<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">TypeScript is like JavaScript on steroids, with some extra superpowers that make coding easier and less error-prone. Here are some reasons why you might want to use TypeScript instead of plain old JavaScript:<\/span><\/p>\n<ol>\n<li><b>Catch bugs early<\/b><span style=\"font-weight: 400;\">: TypeScript has optional static typing, which means you can specify types for your variables, function parameters, and return values. This helps you catch type-related errors before they sneak into your code and cause bugs in production.<\/span><\/li>\n<li><b>Write more organized code<\/b><span style=\"font-weight: 400;\">: TypeScript provides advanced features like interfaces and classes, which allow you to write code that\u2019s easier to organize, understand, and maintain as your projects grow.<\/span><\/li>\n<li><b>Boost productivity<\/b><span style=\"font-weight: 400;\">: TypeScript has a rich development environment with great tooling support, including code editors with autocomplete, error checking, and code navigation.\u00a0<\/span><\/li>\n<li><b>Stay compatible with JavaScript<\/b><span style=\"font-weight: 400;\">: You can gradually adopt TypeScript in your projects without having to rewrite your existing JavaScript code.<\/span><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">In a nutshell, TypeScript offers the best of both worlds\u2014the familiarity of JavaScript with added features for improved code quality, productivity, and maintainability.<\/span><\/p>\n<h3 id=\"benefits-of-learning-typescript\"><span style=\"font-weight: 400;\">Benefits of learning TypeScript<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Learning TypeScript can give your career a serious boost. The <a href=\"https:\/\/pypl.github.io\/PYPL.html\" target=\"_blank\" rel=\"noopener\">eighth most popular coding language at present<\/a>, it&#8217;s in high demand, so mastering it can make you a top pick for web development positions. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">Companies value developers who can write reliable, scalable, and maintainable code, and this language can help you do just that. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">To learn TypeScript helps you become more productive by catching bugs early and streamlining your development process. This demonstrates your dedication to producing high-quality code. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">It\u2019s definitely a competitive skill that can set you apart in the job market. Not to mention help you write less error-prone code!<\/span><\/p>\n<h2 id=\"typescript-vs-javascript\"><span style=\"font-weight: 400;\">2. TypeScript vs JavaScript<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Okay, we know the benefits of TypeScript now. But if the language is so great, why do so many people still use JavaScript? <\/span><\/p>\n<p><span style=\"font-weight: 400;\">Well, both have their positives and negatives. Whether you choose TypeScript or Javascript really depends on your project requirements. <\/span><span style=\"font-weight: 400;\">Let\u2019s break down the pros and cons of both:<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-27128\" src=\"https:\/\/careerfoundry.inbearbeitung.de\/en\/wp-content\/uploads\/2023\/07\/TypeScript-vs-JavaScript-Table.png\" alt=\"A table comparing the pros and cons of using TypeScript vs JavaScript.\" width=\"759\" height=\"384\" title=\"\" srcset=\"https:\/\/careerfoundry.inbearbeitung.de\/en\/wp-content\/uploads\/2023\/07\/TypeScript-vs-JavaScript-Table.png 759w, https:\/\/careerfoundry.inbearbeitung.de\/en\/wp-content\/uploads\/2023\/07\/TypeScript-vs-JavaScript-Table-300x152.png 300w\" sizes=\"auto, (max-width: 759px) 100vw, 759px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">This gives you an overview of some things to consider when comparing TypeScript vs JavaScript. Again, there is not one that is clearly better, it depends on the type of project you\u2019re working on, preferences of the developers and timeline.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Small projects, for example, might not benefit from TypeScript as much as more large scale ones.\u00a0<\/span><\/p>\n<h2 id=\"how-to-learn-typescript\"><span style=\"font-weight: 400;\">3. How to learn TypeScript<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">So you\u2019ve done the research and you want to learn TypeScript. Where do you start? First, make sure to go through <\/span><a href=\"https:\/\/www.typescriptlang.org\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">the official TypeScript documentation<\/span><\/a><span style=\"font-weight: 400;\"> to get the hang of its syntax and features. Practice writing TypeScript code, start simple and work your way up.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">You can also check out online tutorials and coding exercises to level up your skills. <\/span><a href=\"https:\/\/www.codecademy.com\/learn\/learn-typescript\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">This TypeScript course by Codecademy<\/span><\/a> is a great place to get started learning it.<\/p>\n<h3><span style=\"font-weight: 400;\">Do you need JavaScript to learn TypeScript?<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Yes, it is highly recommended to have a good understanding of JavaScript before learning TypeScript. <\/span><\/p>\n<p><span style=\"font-weight: 400;\"><strong>TypeScript is ultimately JavaScript with extended features.<\/strong> TypeScript code is also compiled into JavaScript code, and TypeScript files can contain regular JavaScript code.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">That\u2019s why having a solid foundation in JavaScript will help you understand basic programming concepts in Typescript like variables, data types, operators, functions, objects, and more. It will also make it easier for you to grasp the additional features that TypeScript introduces.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">You can technically learn TypeScript without prior knowledge of JavaScript, but having a foundation of JavaScript will definitely help.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Not sure where to start learning JavaScript? The<a href=\"https:\/\/careerfoundry.inbearbeitung.de\/en\/courses\/become-a-web-developer\/\"> CareerFoundry Full-Stack Development Program<\/a> is a JavaScript-based online web development course that&#8217;s fully mentored.<\/span><\/p>\n<h2 id=\"typescript-faqs\"><span style=\"font-weight: 400;\">4. TypeScript FAQs<\/span><\/h2>\n<h3><span style=\"font-weight: 400;\">Is TypeScript easy to learn?<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Whether TypeScript is easy to learn really depends! If you&#8217;re already familiar with JavaScript, learning TypeScript probably won\u2019t be too tough. TypeScript adds some extra features and involves writing more verbose code, but its syntax is similar to JavaScript. There&#8217;s plenty of documentation and resources available online to help you out, and a supportive community to offer assistance. It may have its challenges, but with practice, you can master TypeScript and enjoy its benefits in your web development projects!<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">How long does it take to learn TypeScript?<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">How long it takes to learn TypeScript really depends on the person and their background. It depends on your prior experience with JavaScript and programming in general, how much time you can dedicate to learning, and your learning style. Some people may pick it up quickly in a few weeks, while others may take a bit longer. With practice and persistence, though, you&#8217;ll get the hang of it!<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Is TypeScript harder to learn than JavaScript?<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">TypeScript is not harder to learn than Javascript, no. Ultimately TypeScript is like an amped up version of JavaScript. If you&#8217;re already familiar with JavaScript, picking up TypeScript won&#8217;t be too hard. TypeScript introduces some extra concepts like static typing, but overall, it&#8217;s similar to JavaScript. So, if you&#8217;ve got JavaScript down, TypeScript won&#8217;t be too much of a challenge!<\/span><\/p>\n<p><span style=\"font-weight: 400;\">If you don\u2019t know JavaScript yet, learning Typescript will take about the same amount of time to master as JavaScript.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Is TypeScript better than Python?<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">TypeScript and Python are two different programming languages with their own strengths and use cases. TypeScript is mainly used for front-end web development, while Python is a versatile language used in various domains like web development, data science, machine learning, and more. In web development, Python is used more on the backend. So really it depends on what you want to do! TypeScript is great for web apps, while Python has a broader range of applications. Choose the one that fits your needs and interests!<\/span><\/p>\n<h2 id=\"final-thoughts\"><span style=\"font-weight: 400;\">5. Final thoughts<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Learning TypeScript can be a valuable addition to your web development skillset. It\u2019s a growing and in demand skill, and while it may have a learning curve (especially if you\u2019re new to JavaScript), it\u2019s often worth the effort. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">The benefits of TypeScript, such as improved code scalability, maintainability, and enhanced tooling support, make it a great tool for your web dev tool kit. Remember to practice, seek resources online, and collaborate with fellow developers. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">With dedication and persistence, you&#8217;ll be well on your way to mastering TypeScript and bringing your web development projects to the next level. First though, you can get into it by learning JavaScript first. CareerFoundry&#8217;s <a href=\"https:\/\/careerfoundry.inbearbeitung.de\/en\/short-courses\/become-a-web-developer\/\"><strong>free 5-day coding short course<\/strong><\/a> will teach you the first steps of JavaScript, as you build and style your first website.<\/span><\/p>\n<p>If you&#8217;d like to learn more about the world of coding in general, check out these articles:<\/p>\n<ul>\n<li><strong><a href=\"https:\/\/careerfoundry.inbearbeitung.de\/en\/blog\/web-development\/6-questions-i-asked-myself-before-i-changed-my-career-to-web-development\/\">Becoming a Web Developer? 6 Questions to Ask Yourself First<\/a><\/strong><\/li>\n<li><strong><a href=\"https:\/\/careerfoundry.inbearbeitung.de\/en\/blog\/web-development\/ai-and-web-development\/\">Why AI Won&#8217;t Replace Web Developers Anytime Soon<\/a><\/strong><\/li>\n<li><strong><a href=\"https:\/\/careerfoundry.inbearbeitung.de\/en\/blog\/web-development\/what-is-a-cloud-engineer\/\">What Is a Cloud Engineer? A Beginner&#8217;s Guide<\/a><\/strong><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Uncover the power of TypeScript for beginner web developers. Build a strong foundation and unlock your its potential. Is TypeScript worth it?<\/p>\n","protected":false},"author":134,"featured_media":27131,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_lmt_disableupdate":"yes","_lmt_disable":"","footnotes":""},"categories":[5],"tags":[],"class_list":["post-26814","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-web-development"],"acf":{"homepage_category_featured":false,"cards_inner_programs_lists_left":"","cards_inner_programs_lists_right":"","related_plan_cards":""},"modified_by":"Rash SEO","_links":{"self":[{"href":"https:\/\/careerfoundry.inbearbeitung.de\/en\/wp-json\/wp\/v2\/posts\/26814","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/careerfoundry.inbearbeitung.de\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/careerfoundry.inbearbeitung.de\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/careerfoundry.inbearbeitung.de\/en\/wp-json\/wp\/v2\/users\/134"}],"replies":[{"embeddable":true,"href":"https:\/\/careerfoundry.inbearbeitung.de\/en\/wp-json\/wp\/v2\/comments?post=26814"}],"version-history":[{"count":10,"href":"https:\/\/careerfoundry.inbearbeitung.de\/en\/wp-json\/wp\/v2\/posts\/26814\/revisions"}],"predecessor-version":[{"id":27126,"href":"https:\/\/careerfoundry.inbearbeitung.de\/en\/wp-json\/wp\/v2\/posts\/26814\/revisions\/27126"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/careerfoundry.inbearbeitung.de\/en\/wp-json\/wp\/v2\/media\/27131"}],"wp:attachment":[{"href":"https:\/\/careerfoundry.inbearbeitung.de\/en\/wp-json\/wp\/v2\/media?parent=26814"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/careerfoundry.inbearbeitung.de\/en\/wp-json\/wp\/v2\/categories?post=26814"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/careerfoundry.inbearbeitung.de\/en\/wp-json\/wp\/v2\/tags?post=26814"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}