In web development, it is often useful to be able to check the browser that a user is using. This can be done for a variety of reasons, such as to provide different functionality for different browsers, or to target specific features to specific browsers.
There are a few different ways to check the browser in JavaScript. One way is to use the `navigator.userAgent` property. This property contains a string that identifies the browser and its version. For example, the following code would check if the user is using the Chrome browser: