Guide on obtaining the screen resolution of a user's device through JavaScript

As I work on creating a website, my page contains numerous products. When a user clicks on a product, I need to display its details in a popup window. To ensure this popup window fills the entire screen, I am looking to obtain the client system's resolution. Can someone assist me in finding a solution for this issue using JavaScript or any other method?

Thank you in advance...

Answer №1

To retrieve the dimensions of the client's window using JavaScript:

     const windowWidth = document.documentElement.clientWidth;
     const windowHeight = document.documentElement.clientHeight;

Answer №2

Using the Javascript variables window.screen.width and window.screen.height is generally effective across different browsers.

It's important to note that you may need to account for some pixels being subtracted from the height due to elements like the title bar.

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