JavaScript arrays are zero-indexed: the first element of an array is at index 0, the second is at index 1, ... Only years['2'] is an actual array index. years['02'] is an arbitrary string property ...

Arrays are wonderful and a very particular type in JavaScript. There are many useful built-in properties and methods that will help you resolve any task which involves this kind of type. Today, we ...

Typed arrays are, in principle, fixed-length, so array methods that may change the length of an array are not available. This includes pop , push , shift , splice , and unshift . In addition, flat is ...