MediaKeyStatusMap.forEach()

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

// Arrow function
forEach((currentValue) => { /* … */ } )
forEach((currentValue, index) => { /* … */ } )
forEach((currentValue, index, array) => { /* … */ } )

// Callback function
forEach(callbackFn)
forEach(callbackFn, thisArg)

// Inline callback function
forEach(function (currentValue) => { /* … */ })
forEach(function (currentValue, index) => { /* … */ })
forEach(function (currentValue, index, array) => { /* … */ })
forEach(function (currentValue, index, array) => { /* … */ }, thisArg)

Parameters

callbackFn

Function to execute for each element, taking three arguments:

currentValue

The current element being processed in the array.

index Optional

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

array Optional

Which array forEach() is being applied to.

thisArg Optional

Value used as this when executing callback.

Return value

None (undefined).

Specifications

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Browser compatibility

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