Functional programming, as the name implies, is about functions. While functions are part of just about every programming paradigm, including JavaScript, a functional programmer has unique ...

Microsoft recently announced a developer preview release supporting JavaScript to create custom functions directly in Excel. This addition moves beyond the existing Microsoft Office JavaScript API ...

Before passing a .NET object to a JavaScript function, your C# code must wrap it in a DotNetObjectRef object. As an example, the following code in my project's Index.cshtml OnInitAsync method ...

The Practical Client Integrating JavaScript with TypeScript (and Backbone and Knockout) Peter looks at how to call a JavaScript function from your TypeScript code and do it in a type-safe way. Along ...

At Microsoft's Ignite 2017 conference today, the company announced a range of new features that will be coming to its Excel application, such as JavaScript Custom Functions and more.

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 ...

Of all the hats JavaScript can wear, its form-processing features are among the most sought and used. Learn how to use JavaScript for form processing, validation, and more.

If you write JavaScript, you have probably used higher-order functions and not even noticed. If you have ever replaced a for loop with an array method, you’ve used higher-order functions.

4. Don’t reinvent the JavaScript APIs JavaScript has several built-in APIs that allow for highly efficient iterations over a collection or an array. With the Array’s prototype constructor, you can use ...