A float.

API AudioBuffer length Property Reference Référence Web Audio API

The length read-only property of the CSSValueList interface represents the number of CSSValues in the list. The range of valid values of the indices is 0 to length-1 inclusive.

API CSSValueList length NeedsBrowserCompatibility NeedsExample NeedsMobileBrowserCompatibility Property Read-only Reference

The read-only DataTransferItemList.length property returns the number of items in the list. If the list has no items, or is disabled (because it has no data store at all), this property returns zero.

API DataTransferItemList drag and drop HTML DOM HTML Drag and Drop API length NeedsLiveSample Property Reference

The length read-only property of the SourceBufferList interface returns the number of SourceBuffer objects in the list.

API Audio length Media Source Extensions MSE Property Reference SourceBufferList Video

API Experimental length Property recognition Reference speech SpeechGrammarList Web Speech API

API Experimental length Property recognition Reference speech SpeechRecognitionResult Web Speech API

API Experimental length Property recognition Reference speech SpeechRecognitionResultList Web Speech API

The length read-only property of the TrackDefaultList interface returns the number of TrackDefault objects in the list.

API Audio Experimental Extensions length Media MSE Property Reference Source source TrackDefaultList Video