Web/API/CSSUnitValue

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This is an experimental technologyCheck the Browser compatibility table carefully before using this in production.


The CSSUnitValue interface of the CSS Typed Object Model API represents values that contain a single unit type. For example, "42px" would be represented by a CSSNumericValue.

Constructor

CSSStyleValue.CSSUnitValue()
Creates a new CSSUnitValue object.

Properties

CSSUnitValue.value
Returns a double indicating the number of units.
CSSUnitValue.unit
Returns a USVString indicating the type of unit.

Event handlers

None.

Methods

None.

Examples

The following shows a method of creating a CSSPositionValue from individual CSSUnitValue constructors.

let pos = new CSSPositionValue(
    new CSSUnitValue(5, "px"),
    new CSSUnitValue(10, "px"));

Specifications

Specification Status Comment
CSS Typed OM Level 1The definition of 'CSSUnitValue' in that specification. Working Draft Initial definition.

Browser compatibility

Update compatibility data on GitHub

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari Android webview Chrome for Android Firefox for Android Opera for Android Safari on iOS Samsung Internet

CSSUnitValue

Experimental'

Chrome

Full support 66

Edge

Full support 79

Firefox

No support No

IE

No support No

Opera

Full support 53

Safari

No support No

WebView Android

Full support 66

Chrome Android

Full support 66

Firefox Android

No support No

Opera Android

Full support 47

Safari iOS

No support No

Samsung Internet Android

Full support 9.0

CSSUnitValue() constructor

Experimental'

Chrome

Full support 66

Edge

Full support 79

Firefox

No support No

IE

No support No

Opera

Full support 53

Safari

No support No

WebView Android

Full support 66

Chrome Android

Full support 66

Firefox Android

No support No

Opera Android

Full support 47

Safari iOS

No support No

Samsung Internet Android

Full support 9.0

unit

Experimental'

Chrome

Full support 66

Edge

Full support 79

Firefox

No support No

IE

No support No

Opera

Full support 53

Safari

No support No

WebView Android

Full support 66

Chrome Android

Full support 66

Firefox Android

No support No

Opera Android

Full support 47

Safari iOS

No support No

Samsung Internet Android

Full support 9.0

value

Experimental'

Chrome

Full support 66

Edge

Full support 79

Firefox

No support No

IE

No support No

Opera

Full support 53

Safari

No support No

WebView Android

Full support 66

Chrome Android

Full support 66

Firefox Android

No support No

Opera Android

Full support 47

Safari iOS

No support No

Samsung Internet Android

Full support 9.0

Legend

Full support  
Full support
No support  
No support
Experimental. Expect behavior to change in the future.'
Experimental. Expect behavior to change in the future.