DOM

document.querySelector()

Learn how to use document.querySelector() in JavaScript.

document.querySelector()

Documentation for document.querySelector() in JavaScript.

Syntax

document.querySelector(".btn")

Example

// Practical usage
document.querySelector(".btn")
console.log("Executed successfully.");

Notes

JavaScript provides powerful built-in methods for the web.

Try It Yourself

You can run JavaScript directly in the BrowserCode Playground.