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As the importance of JavaScript in web development grows, there is a bigger need to use third-party code for common tasks, to break up code into modular files, and to avoid polluting the global namespace. To account f...
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By
Tania Rascia
JavaScript
Development
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In order to avoid blocking code in JavaScript development, asynchronous coding techniques must be used for operations that take a long time, such as network requests made from Web APIs like Fetch. This article will co...
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By
Tania Rascia
JavaScript
Development
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Arrow functions are a new way to write anonymous function expressions in JavaScript, and are similar to lambda functions in some other programming languages like Python. They differ from traditional functions in the w...
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By
Tania Rascia
JavaScript
Development
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Tutorial
In this tutorial we will download and install Deno on Ubuntu 20.04, and run a hello world statement to test out our installation. Deno is a new JavaScript runtime being developed by the creator of Node.js, with a focu...
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By
Brian Boucheron
JavaScript
Development
Ubuntu
Ubuntu 20.04
Interactive
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Tutorial
In this article you will learn how to build an Accordion (show/hide) component in React.
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By
joshtronic
React
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The 2015 edition of the ECMAScript specification (ES6) added template literals to the JavaScript language. Template literals are a new form of making strings in JavaScript that add a lot of powerful new capabilities, ...
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By
Tania Rascia
JavaScript
Development
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Introduced in ECMAScript 2015 (ES6), destructuring, rest parameters, and spread syntax provide more direct ways of accessing the members of an array or an object, and can make working with data structures quicker and ...
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By
Tania Rascia
JavaScript
Development
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In ECMAScript 2015, default function parameters were introduced to the JavaScript programming language. These allow developers to initialize a function with default values if the arguments are not supplied to the func...
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By
Tania Rascia
Development
JavaScript
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Tutorial
Learn how to lint your code on every file save using ESLint rules and VS Code settings.
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By
Jack Misteli
JavaScript
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In ECMAScript 2015, generators were introduced to the JavaScript language. A generator is a process that can be paused and resumed and can yield multiple values. They can maintain state, providing an efficient way to ...
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By
Tania Rascia
JavaScript
Development
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Introduced in ECMAScript 2015, Maps in JavaScript are ordered collections of key/value pairs, and Sets are collections of unique values. In this article, you will go over the Map and Set objects, what makes them simil...
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By
Tania Rascia
JavaScript
Development
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When working with database query results, it is often useful to obtain only the total number of rows in a result set, instead of pulling the full dataset content with a regular query. Eloquent offers a few different a...
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By
Erika Heidi
Laravel
PHP
PHP Frameworks
Databases
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The this keyword is a very important concept in JavaScript, and also a particularly confusing one to both new developers and those who have experience in other programming languages. In JavaScript, this is a reference...
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By
Tania Rascia
JavaScript
Development
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Tutorial
Learn how to make network requests from the command-line using commands like GET, POST and HEAD provided by lwp-request.
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By
joshtronic
Interactive
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Objects in JavaScript are collections of key/value pairs. The values can consist of properties and methods, and may contain all other JavaScript data types, such as strings,...
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By
Tania Rascia
JavaScript
Development
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Understanding prototypical inheritance is paramount to being an effective JavaScript developer. Being familiar with classes is extremely helpful, as popular JavaScript libraries such as React make frequent use of the ...
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By
Tania Rascia
JavaScript
Development
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JavaScript is a prototype-based language, meaning object properties and methods can be shared through generalized objects that have the ability to be cloned and extended. This is known as prototypical inheritance and ...
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By
Tania Rascia
JavaScript
Development
-
Tutorial
In this article we'll take a quick look at Javascript closures, what they are, how to use them. You'll see one of the underlining strengths of JavaScript.
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By
Vijay Prasanna
JavaScript
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A function is a block of code that performs an action or returns a value. Functions are custom code defined by programmers that are reusable, and can therefore make your programs more modular and efficient. In this tu...
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By
Tania Rascia
JavaScript
Development
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Loops are used in programming to automate repetitive tasks. In this tutorial, we will learn about the for statement, including the for...of and for...in statements, which are essential elements of the JavaScript progr...
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By
Tania Rascia
JavaScript
Development