# How to call a function

A function is called by specifying the name of the function followed by parentheses and…

## In JavaScript, how do you **call a function**?

A function is called by specifying the **name of the function**
followed by **parentheses** and passing any
required **arguments**.

```javascript
// calling a fuction without passing arguments
sayHello();
// calling a function and passing arguments
let sum = add(5,12);
```

Level: Apprentice · [More JavaScript terms at this level](https://www.ask-codey.com/glossary/subjects/javascript/apprentice)

Updated: September 27, 2026

Source: https://www.ask-codey.com/glossary/how-to-call-a-function