JavaScript modules are the most prevalently used design patterns for keeping particular pieces of code independent of other components. This provides loose coupling to support well-structured code. For those that are familiar with object-oriented languages, modules are JavaScript “classes”….
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 way their scope is determined and how their syntax is expressed, and are particularly useful when passing a function as a parameter to a higher-order function, like an array iterator method. In this article, you will find examples of arrow function behavior and syntax.
Der Autor hat den COVID-19 Relief Fund dazu ausgewählt, eine Spende im Rahmen des Programms Write for DOnations zu erhalten. Seit der [Ausgabe…
El autor seleccionó a Open Internet/Free Speech Fund para recibir una donación como parte del programa Write for DOnations. En el ámbito de JavaScript, a menudo los desarrolladores pasan mucho tiempo…
Apollo Client is the flexible, community-driven GraphQL client for Angular, JavaScript, and native platforms. It is designed from the ground up to make it easy to build UI components that fetch data with GraphQL. This article is a quick summary about how to use Apollo client GraphQL with your Angular 4+. Therefore you need to know about GraphQl and Angular 4+ before you read the following post.
Learn how to wrap a third-party widget into a React component. We’ll cover setting up the mapping between React props and the widget’s configuration options. You’ll also learn how to expose a widget’s API through a React component.
Uno de los métodos más populares de iterar conjuntos de datos en JavaScript es el método `.map()`. `.map()` crea una matriz a partir de la invocación de una función específica sobre cada elemento en la matriz principal. `.map()` es un método sin mutación que crea una nueva matriz en vez de cambiar la original. En este tutorial, veremos cuatro usos notales de `.map()` en JavaScript: invocar una función de elementos de matriz, convertir cadenas a matrices, renderizar listas en bibliotecas y cambia
En el tutorial anterior de esta serie, “Cómo realizar cambios en el DOM”, abordamos la forma…
With HTML5 came the introduction of APIs with access to device hardware, including the MediaDevices API. This API provides access to media input devices like audio and video. In this tutorial, you’ll see how to get access to the video feeds from a user’s device cameras.
Der Autor wählte die Electronic Frontier Foundation, um eine Spende im Rahmen des Programms Write for DOnations zu erhalten.
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