JavaScript is a text-based programming language that's commonly used to make webpages more dynamic and interactive for visitors.

Expertise from Forbes Councils members, operated under license. Opinions expressed are those of the author. A new year begins, and a new page opens for software development. Companies worldwide have ...

JavaScript’s arrays can hold heterogeneous types, change size on the fly, and readily insert or remove elements. Traditional methods like slice, splice, and push/pop do this by operating on the array ...