Function Expressions
A function expression creates a function as a value. Store it, pass it, or return it like other values.
Where to run this
This example uses the JavaScript console playground. Select Run to execute it; the example does not run on this lesson page.
A practical example
const double = function (value) {
return value * 2;
};
console.log(double(4));
What happens
The stored function produces 8.