How To Use .every() and .some() to Manipulate JavaScript Arrays
ES5 and ES6 brought many changes to JavaScript, including better ways of working with arrays. In particular, the `.every()` and `.some()` functions can improve how developers manipulate arrays, and potentially give them performance gains. This article will show that the prominent JavaScript array functions are `.map()`, `.filter()`, and `.reduce()`, and will then go through examples of instances in which `.every()` and `.some()` would be more efficient.
