非標準
This feature is not on a current W3C standards track, but it is supported on the Firefox OS platform. Although implementations may change in the future and it is not supported widely across browsers, it is suitable for use in code dedicated to Firefox OS apps.
This API is available on Firefox or Firefox OS for installed or higher privileged applications.
概要
frequencyUpperBound プロパティの値は、seek メソッドで検索できるラジオ局の周波数の最大値を示します。
構文
var max = instanceOfFMRadio.frequencyUpperBound
値
MHz (MegaHertz) 単位の数値を返します。
仕様書
仕様はありません。