diff options
Diffstat (limited to 'ext/web/02_event.js')
| -rw-r--r-- | ext/web/02_event.js | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/ext/web/02_event.js b/ext/web/02_event.js index e85b4f5cb..122add211 100644 --- a/ext/web/02_event.js +++ b/ext/web/02_event.js @@ -868,6 +868,10 @@ return target?.[eventTargetData]?.mode ?? null; } + function listenerCount(target, type) { + return getListeners(target)?.[type]?.length ?? 0; + } + function getDefaultTargetData() { return { assignedSlot: false, @@ -1326,6 +1330,7 @@ window.__bootstrap.eventTarget = { EventTarget, setEventTargetData, + listenerCount, }; window.__bootstrap.event = { setIsTrusted, |