Animation.pause() - Web APIs
exceptions invalidstateerror the animation's currenttime is unresolved (for example, if it's never been played or isn't currently playing) and the end time of the animation is positive infinity.
... throws an invalidstateerror if the animation's currenttime is unresolved (perhaps it hasn't started playing yet) and the end time of the animation is positive infinity.

IDBCursor.continuePrimaryKey() - Web APIs
calling this method more than once before new cursor data has been loaded - for example, calling continueprimarykey() twice from the same onsuccess handler - results in an invalidstateerror being thrown on the second call because the cursor’s got value flag has been unset.
... invalidstateerror the cursor is currently being iterated or has iterated past its end.

IDBDatabase.createObjectStore() - Web APIs
exceptions this method may raise a domexception with a domerror of one of the following types: exception description invalidstateerror occurs if the method was not called from a versionchange transaction callback.
...has been deleted or removed.) in firefox previous to version 41, an invalidstateerror was raised in this case as well, which was misleading; this has now been fixed (see bug 1176165.) constrainterror an object store with the given name (based on case-sensitive comparison) already exists in the connected database.

IDBDatabase.deleteObjectStore() - Web APIs
exceptions this method may raise a domexception of one of the following types: exception description invalidstateerror occurs if the method was not called from a versionchange transaction callback.
...has been deleted or removed.) in firefox previous to version 41, an invalidstateerror was raised in this case as well, which was misleading; this has now been fixed (see bug 1176165.) notfounderror you are trying to delete an object store that does not exist.

IDBObjectStore.createIndex() - Web APIs
invalidstateerror occurs if either: the method was not called from a versionchange transaction mode callback, i.e.
...has been deleted or removed.) in firefox previous to version 41, an invalidstateerror was raised in this case as well, which was misleading; this has now been fixed (see bug 1176165.) example in the following example you can see the idbopendbrequest.onupgradeneeded handler being used to update the database structure if a database with a higher version number is loaded.

IDBObjectStore.deleteIndex() - Web APIs
return value undefined exceptions this method may raise a domexception of one of the following types: exception description invalidstateerror occurs if the method was not called from a versionchange transaction mode callback.
...has been deleted or removed.) in firefox previous to version 41, an invalidstateerror was raised in this case as well, which was misleading; this has now been fixed (see bug 1176165.) notfounderror occurs if there is no index with the given name (case-sensitive) in the database.

IDBRequest - Web APIs
when the state is still pending, any attempt to access the result or error raises an invalidstateerror exception.
...if the the request failed and the result is not available, an invalidstateerror exception is thrown.

IDBTransaction.commit() - Web APIs
if it is called on a transaction that is not active, it throws an invalidstateerror domexception.
... exceptions exception description invalidstateerror the transaction state is not active.

Index - Web APIs
if it is called on a transaction that is not active, it throws and invalidstateerror domexcetion.
...if the context is not currently suspended or the rendering has not started, the promise is rejected with invalidstateerror.

MediaRecorder.onerror - Web APIs
invalidstateerror an attempt was made to stop or pause or an inactive recorder, start or resume an active recorder, or otherwise manipulate the mediarecorder while in the wrong state.
... function recordstream(stream) { let recorder = null; let bufferlist = []; try { recorder = new mediarecorder(stream); } catch(err) { return err.name; /* return the error name */ } recorder.ondataavailable = function(event) { bufferlist.push(event.data); }; recorder.onerror = function(event) { let error = event.error; switch(error.name) { case invalidstateerror: shownotification("you can't record the video right " + "now.

OfflineAudioContext.resume() - Web APIs
if the context is not currently suspended or the rendering has not started, the promise is rejected with invalidstateerror.
... invalidstateerror if the context is not currently suspended or the rendering has not started.

RTCPeerConnection.setRemoteDescription() - Web APIs
invalidstateerror the rtcpeerconnection is closed, or it's in a state which isn't compatible with the specified description's type.
... exceptions when using the deprecated callback-based version of setremotedescription(), the following exceptions may occur: invalidstateerror the connection's signalingstate is "closed", indicating that the connection is not currently open, so negotiation cannot take place.

RTCRtpTransceiver.direction - Web APIs
exceptions when setting the value of direction, the following exceptions can occur: invalidstateerror either the receiver's rtcpeerconnection is closed or the rtcrtpreceiver is stopped.
... usage notes setting the direction when you change the value of direction, an invalidstateerror exception will occur if the connection is closed or the receiver is stopped.

WebGLRenderingContext.makeXRCompatible() - Web APIs
invalidstateerror the webgl context has been lost or there is no available webxr device.
...*/ outputcanvas.addeventlistener("webglcontextrestored", (event) => { loadsceneresources(currentscene); }); async function onstartedxrsession(xrsession) { try { await gl.makexrcompatible(); } catch(err) { switch(err) { case aborterror: showsimplemessagebox("unable to transfer the game to your xr headset.", "cancel"); break; case invalidstateerror: showsimplemessagebox("you don't appear to have a compatible xr headset available.", "cancel"); break; default: handlefatalerror(err); break; } xrsession.end(); } } async function handlestartbuttonclick(event) { if (event.target.classlist.contains("use-webxr") && navigator.xr) { try { xrsession = await navigator.xr.requestsession("immer...

WebIDL bindings
an example of how this could work: if (!isvalid(passedinobject)) { throw new this.contentwindow.typeerror("object is invalid"); } or if (!isvalid(passedinobject)) { throw new this.contentwindow.domexception("object is invalid", "invalidstateerror"); } depending on which exact exception the specification calls for throwing in this situation.