JavaScript’s reduce is one of the most useful array methods that should be in a developer’s arsenal. Introduced in ES5, it’s somewhat similar to for…each and map methods that are used with ...

The JavaScript method, Array.map(f) is a pure function in that it takes a function as a parameter. That last point about pure functions warrants further exploration. First-order functions vs. pure ...

While JavaScript has many applications, working with string values is one of the most popular. Strings are objects within the JavaScript language. They are not stored as character arrays, so built ...

In TypeScript talk this is called an "ambient declaration." I added my ambient declaration to the top of the file with the Backbone View that will call my JavaScript function (if I thought I might use ...

Community driven content discussing all aspects of software development from DevOps to design patterns. Note, this article deals with client-side JavaScript. For a client and server-side JavaScript ...

In all these examples I've been passing only a single parameter to my functions and methods. However, it is possible to pass multiple parameters. When passing parameters from C# to JavaScript, you ...