Function Invocation
Invoke a function by writing its name followed by parentheses. The expression inside becomes an argument.
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
function square(value) {
return value * value;
}
const answer = square(5);
console.log(answer);
What happens
The call evaluates to 25.