Array Methods You Must Know

The six methods that turn JavaScript arrays from basic lists into powerful tools. When I first learned arrays, I thought I was done. Create an array, access elements by index, loop through them with for — what else is there? Then I discovered array methods, and it felt like upgrading from a bicycle to a car. Array methods are built-in functions that every array comes with. They let you add, remove, transform, filter, and reduce data — often in a single line of code. No manual loops, no index tra