When working with arrays in JavaScript, a typical task is to determine whether a given values exists in the array. For example, you may want to ensure that a list of objects contains only items with unique names. This tutorial shows you how to determine whether a JavaScript array includes …

Coding for the happy path is pretty simple. Handling the rest is a much harder challenge. A typical example is a check for the existence of some data, like is the client sending valid data or just an empty object? This tutorial shows you how to detect if an object …

JavaScript comes with handy string methods. What’s missing though is a handy method determining whether a given value is of type “String”. Nonetheless, JavaScript provides methods helping you to detect if a given value is a string value. {{outline}} Check if a Value is a String in JavaScript A …

JavaScript comes with handy string methods. It provides useful basics to interact with strings. The standard library has some missing pieces which you can fill yourself by composing helpful utility methods. One of these utilities is a function retrieve the part after a given character in a JavaScript string. This …

JavaScript comes with handy string methods. It provides the basics which allow you to compose the desired functionality. Even though the exact function is not part of JavaScript itself, the available methods allow you to create helper functions providing what you need. This tutorial shows you how to retrieve the …

Sorting arrays in a common use case in application development. Sorting arrays by a boolean value is not as typical as sorting by numbers or strings. At least for us at Future Studio. This tutorial shows you how to sort a JavaScript boolean array. Also: this approach works in TypeScript, …

JavaScript comes with handy string methods. RegEx support in JavaScript string methods is helpful in a lot of use-cases. For example, if you want to remove all numbers from a string: JavaScript has your back! {{outline}} Strip Numbers From a String JavaScript comes with built-in methods to remove all numbers …

ou may want to retrieve the Node.js version running the current process during runtime. For example, you may enforce a certain Node.js release line or at least a specified version while providing a package to the public. Node.js comes with a handy way to detect which Node. …