MediaKeyStatusMap.forEach() - Web APIs 编辑

Experimental

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

The forEach property of the MediaKeyStatusMap interface calls callback once for each key-value pair in the status map, in insertion order. If an argument is present it will be passed to the callback.

Syntax

mediaKeyStatusMap.forEach(callback[, thisArg])

Parameters

callback

Function to execute for each element, taking three arguments:

currentValue

The current element being processed in the array.

index

The index of the current element being processed in the array.

array

Which array forEach() is being applied to.

thisArg Optional

Value used as this when executing callback.

Returns

undefined.

Specifications

Browser Compatibility

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