Basics of JavaScript 1. History of JavaScript 2. Getting Started with JavaScript 3. Data Types 4. Different Types of console.log() 5. Variables (var, let, const) and Its Scope 6. Operators 7. Type ...

At the Build 2018 developer conference that's taking place these days in Seattle, USA, Microsoft announced support for custom JavaScript functions in Excel.

I was digging around on twitter and I found a great comment from @BenAtExocortex: “Javascript has no block scope (!) but one can use self-executing functions instead (as Javascript has function scope.