The Selection.focusOffset read-only property returns the number of characters that the selection's focus is offset within the Selection.focusNode.

API Experimental Expérimental HTML Editing Property Read-only Reference Référence Selection

The Selection.isCollapsed read-only property returns a Boolean which indicates whether or not there is currently any text selected; That is to say that the selection's start and end points are at the same position in the content.

API DOM Experimental Expérimental HTML Editing Property Read-only Reference Référence Selection

The Selection.rangeCount read-only property returns the number of ranges in the selection.

API Experimental Expérimental HTML Editing Property Read-only Reference Référence Selection

API Draft Interface Offline offline Reference Référence Service Workers ServiceWorkerContainer Workers

API Experimental Expérimental Interface onchange Property Reference Référence Service Workers ServiceWorker ServiceWorkerContainer

API Experimental Expérimental onerror Property Reference Référence Service Workers ServiceWorker ServiceWorkerContainer

API B2G Firefox OS Method Non-standard Reference Référence Settings

API B2G Firefox OS Non-standard Property Reference Référence Settings

API B2G Firefox OS Method Non-standard Reference Référence Settings

API B2G Firefox OS Method Non-standard Reference Référence Settings

API B2G Firefox OS Method Non-standard Reference Référence Settings

API B2G Firefox OS Non-standard Property Reference Référence Settings

API B2G DOM Firefox OS Mobile Non-standard Obsolete Reference Référence WebSMS

API Audio Experimental Interface Media Source Extensions MSE Reference SourceBuffer Video

The abort() method of the SourceBuffer interface aborts the current segment and resets the segment parser.

abort API Audio Experimental Media Source Extensions Method MSE Reference SourceBuffer Video

The appendBuffer() method of the SourceBuffer interface appends media segment data from an ArrayBuffer or ArrayBufferView object to the SourceBuffer.

API appendBuffer Audio Experimental Media Source Extensions Method MSE Reference SourceBuffer Video

The appendStream() method of the SourceBuffer interface appends media segment data from a ReadableStream object to the SourceBuffer.

API appendstream Audio Experimental Media Source Extensions Method MSE Reference SourceBuffer Video

The appendWindowEnd property of the SourceBuffer interface controls the timestamp for the end of the append window, a timestamp range that can be used to filter what media data is appended to the SourceBuffer. Coded media frames with timestamps wthin this range will be appended, whereas those outside the range will be filtered out.

API appendWindowEnd Audio audio Experimental Media Source Extensions MSE Property Reference SourceBuffer video Video

The appendWindowStart property of the SourceBuffer interface controls the timestamp for the start of the append window, a timestamp range that can be used to filter what media data is appended to the SourceBuffer. Coded media frames with timestamps wthin this range will be appended, whereas those outside the range will be filtered out.

API appendWindowStart Audio Experimental Media Source Extensions MSE Property Reference SourceBuffer Video

The audioTracks read-only property of the SourceBuffer interface returns a list of the audio tracks currently contained inside the SourceBuffer.

API Audio audiotracks Experimental Media Source Extensions MSE Property Reference SourceBuffer