Prettier Typescript Online works well on Windows, MAC, Linux, Chrome, Firefox. Thus, static type-checking with type annotations and several other TypeScript features like interface, class, and module help programmers write cleaner and more scalable code that can be shared across teams. Users can also beautify the TS File by uploading the Typescript code file. So, TypeScript does not compile the code if you pass a string to a function that is expecting a number! Most IDE will display TypeScript errors instantly without compiling the code. Start writing code instantly without having to download or install anything. Fiddle with your code snippets easily and run them. You will get the following compilation error!Īdd2.ts(5,32): error TS2345: Argument of type 'abc' is not assignable to parameter of type 'number'. Online TypeScript Compiler Compile your TypeScript code using m圜ompiler's online IDE. Replace var sum:number = addNumbers(10, 15) in add.ts with var sum:number = addNumbers(10,'abc')Īnd recompile the add.ts file in the terminal. Now, let's see how TypeScript compiles the program if we pass a string parameter to the addNumbers() function instead of a number.

You can now include the add.js file in a web page using a script tag and see the result in the browser's developer console.

As you can see, the TypeScript compiler compiled add.ts TypeScript file to Javascript file ad.js.

Online typescript compiler