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StylePropertyMapReadOnly.has

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

The has() method of the StylePropertyMapReadOnly interface indicates whether the specified property is in the StylePropertyMapReadOnly object.

Syntax

var boolean = StylePropertyMapReadOnly.has(property)

Parameters

property
The name of a property.

Return value

A boolean.

Example

// TBD

Specifications

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

Browser compatibilityUpdate compatibility data on GitHub

Desktop
Chrome Edge Firefox Internet Explorer Opera Safari
Basic support 66 No No No 53 No
Mobile
Android webview Chrome for Android Edge Mobile Firefox for Android Opera for Android iOS Safari Samsung Internet
Basic support 66 66 No No 53 No ?

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https://developer.mozilla.org/en-US/docs/Web/API/StylePropertyMapReadOnly/has