Convenience vs. Soundness

That said, traditionally programming languages have a hard boundary between what is and isn’t allowed by the type system. TypeScript is different in that it gives you control on where you put the slider. This is really to allow you to use the JavaScript you know and love with as much safety as you want. There are lot of compiler options to control exactly this slider so let’s have a look.

or on the command line

Click here to see all compiler options.