Crypto Terms: Letter J

What is JavaScript?

Meaning:

JavaScript - a programming language used to develop web-based applications.

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3 minutes

Let's find out JavaScript meaning, definition in crypto, what is JavaScript, and all other detailed facts.

JavaScript (JS) is a programming language widely used to develop web-based applications. Since web 1.0 mainly consisted of static, non-interactive websites, Brendan Eich, co-founder of the Mozilla project, worked on developing a programming language that focused on interactivity. He did so by manipulating the logical structure known as the Document Object Model (DOM).

JavaScript was inspired by two other programming languages – Java and Scheme. It took aspects of both languages and incorporated them into the intuitive syntax and toolset.

There are two general paradigms primarily used in programming, both of which JavaScript supports. The first is object-oriented programming. Here, classes and methods interact via objects that represent real-time interrelationships on an instance basis.

The second paradigm, functional programming, does not have the concept of shared state and mutable data. It works on pure functions for problem-solving and relies solely on first-order logic constructs, such as lambda expressions, as well as high-order functions.

The engine is one of the core components in the entire JavaScript ecosystem. It is capable of computing just-in-time (JIT) compilations that comply with computer nodes during execution, save storage space, and positively impact overall productivity.

The JavaScript engine contains two important components – memory heap and call stack. A memory heap is required for memory allocation while a call stack is used to track function calls.

While other programming languages, like C#, are able to run multiple instruction sets at the same time, JavaScript’s engine is a single-threaded language with only one call stack in the engine.

Single-threaded languages like JavaScript are unable to implement parallel programming. However, design engineers have developed asynchronous callbacks to alleviate this limitation.

Asynchronous callbacks allow the engine to take instructions out of the call stack, let them run in the background, and return the final result via the event loop after the asynchronous code is executed. Therefore, JavaScript can run parallel programming even though it’s a single-threaded language.

JavaScript is one of the most popular programming languages due to its strange structure. It can support programming paradigms and has been used in the development of some of the best-known digital technologies. JavaScript is widely used by cloud, AI, and blockchain developers.

JavaScript has been used in the development of blockchain-based cryptocurrencies and applications. With decades of use cases, JavaScript’s ecosystem contains massive quantities of prebuilt UI/UX and front-end development solutions that have been implemented in blockchain-adjacent programming.

Web3.js libraries have been used to link the backend application with Ethereum (ETH) via JavaScript. This helps improve the speed of the development process as the templates can be used instead of having to build everything from the ground up.

The number of ready-made elements means that programmers don’t need to heavily rely on other programming languages like Solidity. JavaScript is one of the core components of lightning apps and the Raiden network, which are two networks built using the Bitcoin and Ethereum blockchains respectively.

The universal applicability of JavaScript means that it will likely be utilized widely in further crypto-related projects.

Bitcoin and other crypto-assets are highly volatile.<\/strong> This indicates that investors who have avoided purchasing in Bitcoin and other cryptocurrencies are prone to having JOMO when prices decline.<\/p>\nIt is usually utilized by no-coiners who don’t avoid emphasizing their happiness of not being involved in cryptocurrencies, especially when there is an <a href=https://www.bitdegree.org/"//crypto//learn//crypto-terms//what-is-initial-coin-offering-ico/">ICO scam<\/strong> that was revealed, or when the prices are dropping down in general. However, the greatest cause of JOMO is likely to be experienced when ICOs are shown to be fraudulent, confirming the perception that cryptocurrencies are unstable.<\/p>\nIn addition, holders<\/strong> are the investors who hold their cryptocurrencies instead of selling them, even though they are losing profit.<\/p>\nBTC price, for instance, fell from $20,089<\/strong> in December 2017 to slightly over $3,000<\/strong> in December 2018, referring to a reduction of 80%.<\/strong> Many who did not have a connection to Bitcoin, or those who sold it before the price collapsed, are likely to have experienced any level of JOMO in this scenario.<\/p>\nLikewise, investors hung on to BTC following its rapid price collapse in 2018 and might have gone through JOMO.<\/p>\nAll in all, JOMO refers to a trader who is content not to participate in a current cryptocurrency surge or in the act of selling to earn a profit and avoid loss.<\/strong><\/p>","definition":"is short for \u201cjoy of missing out\u201d and it is the opposite of FOMO or \u201cfear of missing out\u201d.","status":"published","meta_title":"What is JOMO? Definition & Meaning | Crypto Wiki","meta_description":"JOMO meaning: JOMO - is short for \u201cjoy of missing out\u201d and it is the opposite of FOMO or \u201cfear of missing out\u201d.","meta_keywords":null}" :prev-section="{"id":436,"wikipedia_url":"https:\/\/en.wikipedia.org\/wiki\/Java_(programming_language)","level":"easy","author_id":1,"created_at":"2023-06-19T06:58:59.000000Z","updated_at":"2024-01-03T04:39:18.000000Z","slug":"what-is-java","title":"What is Java?","section":"J","keyword":"Java","content":"Java<\/strong> is a secure, class-based, general-purpose, object-oriented programming language. It has lesser implementation dependencies by design. Java acts as a computing platform for app development. It is used to develop apps for a number of devices, including laptops, consoles<\/strong>, and supercomputers, due to its speed and reliability.<\/p>\nJava was initially launched as Oak in 1989. However, in 1995, the language was renamed to Java, inspired by Indonesian Java coffee. It was upgraded from its initial functionalities to be more compatible with the World Wide Web (WWW)<\/strong> developments.<\/p>\nIn 2009, Sun Microsystems, the company behind Java, was acquired by Oracle Corporation. This acquisition meant that the ownership rights over Java, MySQL, and Solaris<\/strong> were transferred to Oracle.<\/p>\nProgrammers can use the Java platform to access a collection of platforms that assist in the development process. The platform can also be used to efficiently run Java-based applications. It includes an execution engine, a compiler<\/strong>, and a set of libraries.<\/p>\nMost Android apps, as well as enterprise software, are typically developed using Java. The programming language is also used for Big Data analytics, hardware device programming<\/strong>, and server-side technologies such as Apache.<\/p>","definition":"general-purpose, class-based, object-oriented programming language.","status":"published","meta_title":"What is Java? Definition & Meaning | Crypto Wiki","meta_description":"Java meaning: Java - general-purpose, class-based, object-oriented programming language.","meta_keywords":null}" :model="{"id":437,"wikipedia_url":"https:\/\/en.wikipedia.org\/wiki\/JavaScript","level":"medium","author_id":1,"created_at":"2023-06-19T06:58:59.000000Z","updated_at":"2024-01-03T04:44:24.000000Z","slug":"what-is-javascript","title":"What is JavaScript?","section":"J","keyword":"JavaScript","content":"JavaScript (JS)<\/strong> is a programming language widely used to develop web-based applications. Since <a href=https://www.bitdegree.org/"//crypto//learn//crypto-terms//what-is-web-1-0/">web 1.0<\/strong><\/a> mainly consisted of static, non-interactive websites<\/strong>, Brendan Eich, co-founder of the Mozilla project, worked on developing a programming language that focused on interactivity. He did so by manipulating the logical structure known as the Document Object Model (DOM).<\/p>\nJavaScript was inspired by two other programming languages – <a href=https://www.bitdegree.org/"//crypto//learn//crypto-terms//what-is-java/">Java and Scheme. It took aspects of both languages and incorporated them into the intuitive syntax and toolset.<\/p>\nThere are two general paradigms primarily used in programming, both of which JavaScript supports<\/strong>. The first is object-oriented programming. Here, classes and methods interact via objects that represent real-time interrelationships on an instance basis.<\/p>\nThe second paradigm, functional programming, does not have the concept of shared state and mutable data. It works on pure functions for problem-solving<\/strong> and relies solely on first-order logic constructs, such as lambda expressions, as well as high-order functions.<\/p>\nThe engine is one of the core components <\/strong>in the entire JavaScript ecosystem. It is capable of computing just-in-time (JIT) compilations that comply with <a href=https://www.bitdegree.org/"//crypto//learn//crypto-terms//what-is-node/">computer nodes<\/strong><\/a> during execution, save storage space, and positively impact overall productivity.<\/p>\nThe JavaScript engine contains two important components – memory heap and call stack. A memory heap is required for memory allocation while a call stack is used to track function calls.<\/p>\nWhile other programming languages, like C#, are able to run multiple instruction<\/strong> sets at the same time, JavaScript’s engine is a single-threaded language with only one call stack in the engine.<\/p>\nSingle-threaded languages like JavaScript are unable to implement parallel programming<\/strong>. However, design engineers have developed <a href=https://www.bitdegree.org/"//crypto//learn//crypto-terms//what-is-asynchronous/">asynchronous callbacks to alleviate this limitation.<\/p>\nAsynchronous callbacks allow the engine to take instructions out of the call stack, let them run in the background, and return the final result via the event loop after the asynchronous code is executed. Therefore, JavaScript can run parallel programming<\/strong> even though it’s a single-threaded language.<\/p>\nJavaScript is one of the most popular programming languages due to its strange structure. It can support programming paradigms and has been used in the development of some of the best-known digital technologies. JavaScript is widely used by cloud, AI, and blockchain developers<\/strong>.<\/p>\nJavaScript has been used in the development of blockchain-based cryptocurrencies and applications. With decades of use cases, JavaScript’s ecosystem contains massive quantities of prebuilt UI\/UX and front-end development solutions that have been implemented in blockchain-adjacent programming.<\/p>\nWeb3.js<\/strong> libraries have been used to link the backend application with <a href=https://www.bitdegree.org/"https:////www.bitdegree.org//crypto//buy-ethereum-eth/">Ethereum (ETH)<\/strong><\/a> via JavaScript. This helps improve the speed of the development process as the templates can be used instead of having to build everything from the ground up.<\/p>\nThe number of ready-made elements means that programmers don’t need to heavily rely on other programming languages like <a href=https://www.bitdegree.org/"//crypto//learn//crypto-terms//what-is-solidity/">Solidity. JavaScript is one of the core components of <a href=https://www.bitdegree.org/"//crypto//learn//crypto-terms//what-is-lightning-network/">lightning apps<\/strong><\/a> and the <a href=https://www.bitdegree.org/"//crypto//learn//crypto-terms//what-is-raiden-network/">Raiden network<\/strong><\/a>, which are two networks built using the Bitcoin and Ethereum blockchains respectively.<\/p>\nThe universal applicability of JavaScript<\/strong> means that it will likely be utilized widely in further crypto-related projects.<\/p>","definition":"a programming language used to develop web-based applications.","status":"published","meta_title":"What is JavaScript? Definition & Meaning | Crypto Wiki","meta_description":"JavaScript meaning: JavaScript - a programming language used to develop web-based applications.","meta_keywords":null,"author":{"id":1,"user_id":1,"created_at":"2023-05-03T14:30:55.000000Z","updated_at":"2023-05-11T07:18:20.000000Z","title":"Editor-In-Chief","slug":"aaron-s-editor-in-chief","description":"Having completed a Master’s degree on Economics, Politics & Culture for the East Asia region, Aaron has written scientific papers with a comparative analysis of the differences between US’ Western and Japan’s Collective forms of capitalism, 1945-2020.<\/p>\nWith close to a decade of experience in the FinTech industry, Aaron understands all of the biggest issues and struggles that crypto enthusiasts face. He’s a passionate analyst who is concerned with data-driven and fact-based content, as well as that which speaks to both Web3 natives and industry newcomers.<\/p>\nAaron is the go-to person for everything and anything related to digital currencies. With a huge passion for blockchain & Web3 education, Aaron strives to transform the space as we know it, and make it more approachable to complete beginners.<\/p>\nAaron has been quoted by multiple established outlets, and is a published author himself. Even during his free time, he enjoys researching the market trends, and looking for the next supernova.<\/p>","user":{"id":1,"first_name":"Aaron","last_name":"S.","email":"aaron@bitdegree.org","email_sanitized":"aaron@bitdegree.org","email_verified_at":"2023-12-01T09:40:20.000000Z","must_verify_email":false,"is_registered_with_wallet":false,"status":"active","country":"LT","last_connected_ip":"88.119.132.125","image_id":2641,"referral_token":"05TMu2NysXOCn525","referred_by":null,"created_at":"2023-05-03T14:30:55.000000Z","updated_at":"2024-01-09T15:22:21.000000Z","full_name":"Aaron S."}}}" :chapter-list="[{"id":1,"title":"Blockchain","slug":"blockchain","updated":null,"chapter":"crypto\/assets\/crypto-book\/chapters\/learn-blockchain.jpg","chapter_simple":"crypto\/assets\/crypto-book\/chapters-simple\/blockchain-101.jpg","rating":100,"sections":[{"chapter_id":1,"order":1,"slug":"what-is-blockchain","title":"What is the Blockchain?","status":"published","modified_content":null},{"chapter_id":1,"order":2,"slug":"decentralized-blockchain","title":"Anonymous & Decentralized Blockchains: The Cornerstone of Crypto","status":"published","modified_content":null},{"chapter_id":1,"order":3,"slug":"blockchain-transaction","title":"What is a Blockchain Transaction in Crypto?","status":"published","modified_content":null},{"chapter_id":1,"order":4,"slug":"crypto-fees","title":"The Different Types of Crypto Fees Explained","status":"published","modified_content":null},{"chapter_id":1,"order":5,"slug":"what-is-bridging-in-crypto","title":"The Key Notion Behind the Concept of Bridging in Crypto","status":"published","modified_content":null},{"chapter_id":1,"order":6,"slug":"types-of-blockchains","title":"Different Types of Blockchains: What to Look Out For?","status":"published","modified_content":null}]},{"id":2,"title":"Cryptocurrencies","slug":"cryptocurrencies","updated":null,"chapter":"crypto\/assets\/crypto-book\/chapters\/learn-cryptocurrencies.jpg","chapter_simple":"crypto\/assets\/crypto-book\/chapters-simple\/cryptocurrencies-101.jpg","rating":100,"sections":[{"chapter_id":2,"order":1,"slug":"what-is-a-cryptocurrency","title":"What is a Cryptocurrency?","status":"published","modified_content":null},{"chapter_id":2,"order":2,"slug":"how-does-cryptocurrency-work","title":"How Does Cryptocurrency Work?","status":"published","modified_content":null},{"chapter_id":2,"order":3,"slug":"is-cryptocurrency-a-good-investment","title":"Is Cryptocurrency a Good Investment? The Pros & Cons","status":"published","modified_content":null},{"chapter_id":2,"order":4,"slug":"coin-vs-token","title":"Coin VS Token: How Do They Differ?","status":"published","modified_content":null},{"chapter_id":2,"order":5,"slug":"what-are-stablecoins","title":"What are Stablecoins, Altcoins & Wrapped Coins?","status":"published","modified_content":null},{"chapter_id":2,"order":6,"slug":"what-is-a-bitcoin","title":"Bitcoin: the Pioneer of the Crypto World","status":"published","modified_content":null},{"chapter_id":2,"order":7,"slug":"what-is-ethereum","title":"The Ultimate Blockchain for dApp Creation: Ethereum","status":"published","modified_content":null},{"chapter_id":2,"order":8,"slug":"what-is-cardano-in-crypto","title":"What is Cardano and What is It Used For?","status":"published","modified_content":null},{"chapter_id":2,"order":9,"slug":"what-is-shiba-inu-coin","title":"Shiba Inu: the Dogecoin 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Trailblazer","status":"published","modified_content":null},{"chapter_id":2,"order":16,"slug":"what-is-algorand-crypto","title":"Did Algorand Truly Solve the Blockchain Trilemma?","status":"published","modified_content":null},{"chapter_id":2,"order":17,"slug":"what-is-olympus-dao","title":"Does Olympus DAO Have Anything to Do With Mythology?","status":"published","modified_content":null},{"chapter_id":2,"order":18,"slug":"what-is-avax","title":"Is Avalanche Network (AVAX) Rightfully Called the Future of DeFi?","status":"published","modified_content":null},{"chapter_id":2,"order":19,"slug":"what-is-monero-coin","title":"Monero: Where Cryptocurrency Meets Cryptography","status":"published","modified_content":null},{"chapter_id":2,"order":20,"slug":"what-is-ripple-xrp","title":"Is Ripple \"it\" When it Comes to Cross-Border Transactions?","status":"published","modified_content":null},{"chapter_id":2,"order":21,"slug":"practical-use-of-cryptocurrencies","title":"The Practical Use of 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Standards","status":"published","modified_content":null},{"chapter_id":3,"order":5,"slug":"how-to-buy-crypto","title":"From Fiat to Crypto: How to Buy Crypto for the First Time","status":"published","modified_content":null},{"chapter_id":3,"order":6,"slug":"fiat-to-crypto","title":"Taking Profits: Turning Crypto Into Fiat","status":"published","modified_content":null},{"chapter_id":3,"order":7,"slug":"how-to-use-crypto","title":"You\u2019ve Got Crypto: What Can You Do With It?","status":"published","modified_content":null}]},{"id":4,"title":"Crypto Wallets","slug":"crypto-wallets","updated":false,"chapter":"crypto\/assets\/crypto-book\/chapters\/learn-crypto-wallets.jpg","chapter_simple":"crypto\/assets\/crypto-book\/chapters-simple\/crypto-wallets-101.jpg","rating":80,"sections":[{"chapter_id":4,"order":1,"slug":"what-is-a-crypto-wallet","title":"What is a Crypto Wallet?","status":"published","modified_content":null},{"chapter_id":4,"order":2,"slug":"hot-wallet-vs-cold-wallet","title":"Hot Wallet VS Cold Wallet: Which One to Pick?","status":"published","modified_content":null},{"chapter_id":4,"order":3,"slug":"non-custodial-wallet","title":"What are Non-Custodial Crypto Wallets?","status":"published","modified_content":null},{"chapter_id":4,"order":4,"slug":"what-is-metamask","title":"Metamask: The Leading Non-Custodial Wallet","status":"published","modified_content":null},{"chapter_id":4,"order":37,"slug":"how-safe-is-cryptocurrency","title":"The Key Crypto Wallet Safety Practices: How Safe Can Crypto Be?","status":"published","modified_content":null}]},{"id":5,"title":"NFTs","slug":"nfts","updated":null,"chapter":"crypto\/assets\/crypto-book\/chapters\/learn-nfts.jpg","chapter_simple":"crypto\/assets\/crypto-book\/chapters-simple\/nfts-101.jpg","rating":100,"sections":[{"chapter_id":5,"order":2,"slug":"how-to-trade-nfts","title":"NFT Trading: The Ins and Outs","status":"published","modified_content":null},{"chapter_id":5,"order":3,"slug":"buying-nft","title":"Tips and Tricks of Choosing the Right NFTs","status":"published","modified_content":null},{"chapter_id":5,"order":4,"slug":"how-to-store-nft","title":"How to Store NFTs: Best Practices","status":"published","modified_content":null},{"chapter_id":5,"order":5,"slug":"how-to-create-an-nft","title":"How to Create Your Own NFTs?","status":"published","modified_content":null},{"chapter_id":5,"order":6,"slug":"how-to-make-passive-money-with-nft","title":"Making Passive Money with NFTs","status":"published","modified_content":null}]},{"id":6,"title":"dApps & Defi","slug":"dapps-and-defi","updated":true,"chapter":"crypto\/assets\/crypto-book\/chapters\/learn-dapps.jpg","chapter_simple":"crypto\/assets\/crypto-book\/chapters-simple\/dapps-defi-101.jpg","rating":80,"sections":[{"chapter_id":6,"order":1,"slug":"what-are-nfts","title":"What are Non-Fungible Tokens (NFTs)?","status":"published","modified_content":null},{"chapter_id":6,"order":1,"slug":"what-is-defi","title":"What is Decentralized Finance (DeFi)?","status":"published","modified_content":null},{"chapter_id":6,"order":2,"slug":"what-is-defi-2-0","title":"DeFi 2.0: The New Version of Decentralized Finance","status":"published","modified_content":null},{"chapter_id":6,"order":3,"slug":"what-are-dapps-in-crypto","title":"What Are dApps and How Do They Work?","status":"published","modified_content":null},{"chapter_id":6,"order":4,"slug":"defi-dapps","title":"Picking the Right dApps: Dos and Don'ts","status":"published","modified_content":null},{"chapter_id":6,"order":5,"slug":"what-is-web-3-0","title":"Web 3.0: The Future of the Internet","status":"published","modified_content":null},{"chapter_id":6,"order":6,"slug":"what-are-smart-contracts","title":"What is the Core Purpose of Smart Contracts?","status":"published","modified_content":null},{"chapter_id":6,"order":7,"slug":"what-is-a-dao-in-crypto","title":"The Notion of a Decentralized Autonomous Ogranization (DAO)","status":"published","modified_content":null},{"chapter_id":6,"order":8,"slug":"what-is-staking-in-crypto","title":"What is the Goal of Staking Crypto Assets?","status":"published","modified_content":null},{"chapter_id":6,"order":9,"slug":"what-is-liquidity-pool-in-crypto","title":"What is a Liquidity Pool and How Does It Work?","status":"published","modified_content":null},{"chapter_id":6,"order":10,"slug":"what-is-automated-market-maker","title":"Automated Market Maker: the Cornerstone of the Decentralized Crypto Exchange Industry","status":"published","modified_content":null},{"chapter_id":6,"order":11,"slug":"what-is-yield-farming-in-crypto","title":"The Main Yield Farming Techniques","status":"published","modified_content":null},{"chapter_id":6,"order":12,"slug":"what-is-an-oracle-in-crypto","title":"Crypto Oracles: The Link Between Blockchain and Outside World Data","status":"published","modified_content":null},{"chapter_id":6,"order":13,"slug":"crypto-gambling","title":"The Peculiarities of Decentralized Crypto Gambling","status":"published","modified_content":null},{"chapter_id":6,"order":14,"slug":"what-is-the-metaverse","title":"Metaverse: A New Perception of Reality","status":"published","modified_content":null}]},{"id":7,"title":"Trading & Investing","slug":"trading-and-investing","updated":null,"chapter":"crypto\/assets\/crypto-book\/chapters\/learn-crypto-trading.jpg","chapter_simple":"crypto\/assets\/crypto-book\/chapters-simple\/crypto-trading-101.jpg","rating":80,"sections":[{"chapter_id":7,"order":1,"slug":"where-to-trade-crypto","title":"Where Can You Trade Cryptocurrencies?","status":"published","modified_content":null},{"chapter_id":7,"order":2,"slug":"how-to-invest-in-crypto","title":"Investing in Crypto: What Investing Options Do You Have?","status":"published","modified_content":null},{"chapter_id":7,"order":3,"slug":"ico-vs-ido","title":"ICO vs IDO vs IEO: Which One is the One?","status":"published","modified_content":null},{"chapter_id":7,"order":4,"slug":"what-is-an-airdrop","title":"What are Crypto Airdrops and How to Get Them?","status":"published","modified_content":null},{"chapter_id":7,"order":5,"slug":"how-to-get-free-crypto","title":"How to Get Free Crypto Assets?","status":"published","modified_content":null},{"chapter_id":7,"order":6,"slug":"how-to-arbitrage-crypto","title":"What is Crypto Arbitrage: The Main Principles","status":"published","modified_content":null},{"chapter_id":7,"order":7,"slug":"what-is-a-perpetual-contract","title":"Perpetual Contracts: Futures Contracts Without an Expiration 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