Here's an example of a "Hello, World!" program in JavaScript:

console.log("Hello, World!");

Explanation:

- The `console.log()` function is used in JavaScript to output messages or data to the console. In this case, it prints the string "Hello, World!".

When you run this JavaScript code, it will print "Hello, World!" to the console. This simple program demonstrates the basic functionality of `console.log()` for displaying output in JavaScript.