StylePropertyMapReadOnly: size property
Limited availability
This feature is not Baseline because it does not work in some of the most widely-used browsers.
The size
read-only property of the
StylePropertyMapReadOnly
interface returns an unsigned long integer
containing the size of the StylePropertyMapReadOnly
object.
Value
An unsigned long integer.
Examples
Here we use the size property to return the total entries within the button elements
computedStyleMap
.
js
// grab our element
const buttonEl = document.querySelector("button");
// we can retrieve all computed styles with `computedStyleMap`
const allComputedStyles = buttonEl.computedStyleMap();
// use size to get the total styles within the map
const amountStyles = allComputedStyles.size;
console.log(amountStyles); // logs 338
Specifications
Specification |
---|
CSS Typed OM Level 1 # dom-stylepropertymapreadonly-size |
Browser compatibility
Report problems with this compatibility data on GitHubdesktop | mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
size |
Legend
Tip: you can click/tap on a cell for more information.
- Full support
- Full support
- No support
- No support
- See implementation notes.
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.