it's not unusual for your code to reference code held in another JavaScript file. If you're using more recent versions of Visual Studio, you'll find that the editor knows about all the JavaScript code ...

Visual Studio ... for JavaScript, Microsoft has aligned the semantic highlighting of JavaScript source in HTML files with what is seen in normal .jscode files. This makes code colors more ...

The January 2018 update of Microsoft's Visual Studio Code editor incorporates the new TypeScript 2.7.1 edition, allowing for quicker fixing of errors in TypeScript and even regular JavaScript files.