{"json_modified": "2016-03-28T08:30:19.553438", "uuid": "1507d0ba-bd20-493d-8717-a6db90201716", "title": "MouseEvent.movementX", "url": "/en-US/docs/Web/API/MouseEvent/movementX", "tags": ["API", "Read-only", "MovementX", "Reference", "Property", "DOM Events", "mouse lock", "DOM", "pointer lock"], "translations": [], "modified": "2016-02-22T13:05:06", "label": "MouseEvent.movementX", "localization_tags": [], "locale": "en-US", "id": 83859, "last_edit": "2016-02-22T13:05:02", "summary": "The <strong><code>MouseEvent.movementX</code></strong> read-only property provides the shift in the X coordinate of the mouse pointer between that event and the previous <code><a href=\"/en-US/docs/Web/Events/mousemove\" title=\"/en-US/docs/Web/Events/mousemove\">mousemove</a></code> event. In other words, the value of that property is computed that way : <code>currentEvent.movementX = currentEvent.screenX - previousEvent.screenX</code>.", "sections": [{"id": "Quick_Links", "title": null}, {"id": "Syntax", "title": "Syntax"}, {"id": "Return_value", "title": "Return value"}, {"id": "Specifications", "title": "Specifications"}, {"id": "Browser_compatibility", "title": "Browser compatibility"}, {"id": "See_also", "title": "See also"}], "slug": "Web/API/MouseEvent/movementX", "review_tags": []}