---
title: Window.screenX
slug: Web/API/Window/screenX
tags:
  - API
  - Propriété
  - Window
  - lecture seule
translation_of: Web/API/Window/screenX
---
{{APIRef}}

La propriété  **`Window.screenX`** retourne la distance honrizontale, in CSS pixels, of the left border of the user's browser from the left side of the screen.

## Syntax

    lLoc = window.screenX

- _`lLoc`_ is the number of CSS pixels from the left side the screen.

## Specifications

| Specification                                                                                | Status                           | Commentaire         |
| -------------------------------------------------------------------------------------------- | -------------------------------- | ------------------- |
| {{ SpecName('CSSOM View', '#dom-window-screenx', 'Window.screenX') }} | {{ Spec2('CSSOM View') }} | Définition initiale |

## Compatibilité des navigateurs

{{Compat("api.Window.screenX")}}

## Voir aussi

- {{domxref("window.screenLeft")}}
- {{domxref("Window.screenY")}}