StylePropertyMapReadOnly.has()
Experimental: 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
Here we use the has()
method to see if the padding-top property is present within the button elements style attribute.
// get the button element const buttonEl = document.querySelector('.example'); // find what's in the style attribute with attributeStyleMap and has() const hasPadTop = buttonEl.attributeStyleMap.has('padding-top); console.log(hasPadTop); // logs true if padding-top is present in style attribute
Specifications
Browser compatibility
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
has |
66 |
79 |
No |
No |
53 |
No |
66 |
66 |
No |
47 |
No |
9.0 |
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https://developer.mozilla.org/en-US/docs/Web/API/StylePropertyMapReadOnly/has