Microsoft officially retired JScript years ago, along with proper support for the original Internet Explorer browser. However ...

I think it would be nice having a way to do substring without copying the entire string, thereby decreasing a both memory and performence overhead. The problem that it solves is the fact that ...

Take advantage of extension methods to add functionality to existing types without needing to modify or derive from those original types.

Built-in JavaScript objects and functions are ones you'll use all the time. Here's how to use Object, JSON, String, Math, Date, and console in your JavaScript programs.

The second problem is that as an AL developer, you expect to get back the whole string when that is smaller than the Count parameter, just like the CopyStr function is able to do. Seems like I have to ...

Javascript reduce method parameters The reduce method accepts two arguments: a reducer function for the array that is used as a callback, and an optional initialValue argument.