Deprecated: This feature is no longer recommended. Though some browsers might still support it, it may have already been removed from the relevant web standards, may be in the process of being dropped, or may only be kept for compatibility purposes. Avoid using it, and update existing code if possible; see the compatibility table at the bottom of this page to guide your decision. Be aware that this feature may cease to work at any time.

The CSSPositionValue() constructor creates a new CSSPositionValue object which represents values for properties that take a position, for example object-position.


new CSSPositionValue(x, y)



A position along the web page's horizontal axis.


A position along the web page's vertical axix.


The following example positions a container <div> 5 pixels from the top and 10 pixels from the left of the page.

let someDiv = document.getElementById('container');
let position = new CSSPositionValue(CSS.px(5), CSS.px(10));

someDiv.attributeStyleMap.set('object-position', position);
console.log(position.x.value, position.y.value);  // 5 10

Browser compatibility

BCD tables only load in the browser

See also