StylePropertyMapReadOnly: forEach() method
The StylePropertyMapReadOnly.forEach()
method executes a
provided function once for each element of StylePropertyMapReadOnly
.
Syntax
js
forEach(callbackFn)
forEach(callbackFn, thisArg)
Parameters
callbackFn
-
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
None (undefined
).
Examples
Here is an example of using forEach()
on a retrieved
Element.computedStyleMap()
.
js
// 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
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