Promises, async and await

Some work finishes later. setTimeout, promises and async/await let your code wait for a timer or a server without freezing the page.

Web12 minCode

Code

Inside: 2 short explanations, a runnable example and 1 checked exercise.

Code editor. Press Control or Command plus Enter to run the code. Tab indents; to move focus out of the editor, press Escape and then Tab.