StylePropertyMapReadOnly.forEach()
Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The StylePropertyMapReadOnly.forEach()
method executes a
provided function once for each element of StylePropertyMapReadOnly
.
Syntax
StylePropertyMapReadOnly.forEach(function callback(currentValue[, index[, array]]) {
//your code
}[, thisArg]);
Parameters
callback
-
The function to execute for each element, taking three arguments:
currentValue
-
The value of the current element being processed.
index
Optional-
The index of the current element being processed.
array
Optional-
The StylePropertyMapReadOnly that
forEach()
is being called on.
thisArg
Optional-
Value to use as
this
(i.e the referenceObject
) when executingcallback
.
Return value
Example
Here is an example of using forEach()
on a retrieved
Element.computedStyleMap()
.
// get a button element
const buttonEl = document.querySelector('.example');
// we can retrieve all computed styles with `computedStyleMap`
const allComputedStyles = buttonEl.computedStyleMap();
// forEach will allow us to run code over each prop/val pair
allComputedStyles.forEach((elem, index, arr) => {
// code to run for each pair
})
Specifications
No specification found
No specification data found for api.StylePropertyMapReadOnly.forEach
.
Check for problems with this page or contribute a missing spec_url
to mdn/browser-compat-data. Also make sure the specification is included in w3c/browser-specs.
Browser compatibility
BCD tables only load in the browser