Using Array.prototype.every() to validate arrays in JavaScript
How to extend the error type in TypeScript
JavaScript has two built-in functions for reversing arrays. The first method is Array.prototype.reverse() which reverses the array in place, meaning we change the original array. const numbers = [5, 10, 15, 20, 25, 30] const reversed = numbers.rever...
Using Error.prototype.cause to create better errors
We all have used find before on an array, but what if we wanted to start from the end of the array? Well, thanks to findLast you no longer need to perform some weird logic or use an external library to pull this off. In this example, you can see how ...
We often use the or operator || in JavaScript to create a fallback value. However, this comes with risks, and you should try to use nullish coalescing operator instead ??. When we use the or operator, it will default to the value provided if the valu...
