JSJavaScriptBeginnerLive runner10 min

Functions and Scope

Functions and Scope with a runnable browser-safe JavaScript example.

Lesson notes

This JavaScript example runs in an isolated worker so console output can be captured safely.

functionsreturn valuesscope

Editable notebook cell

Starter code

function greet(name) {
  return `Hello ${name}`;
}
console.log(greet("Ada"));

Output

Live runner

Run the code to see output here.

Try this

Change one value, run it again and explain how the output changed.

Hint: Start by changing a string or array value.