PaymentRequest.show() - Web APIs
once one paymentrequest's show() method has been called, any other call to show() will by rejected with an aborterror until the returned promise has been concluded, either by being fulfilled with a paymentresponse indicating the results of the payment request, or by being rejected with an error.
... exceptions aborterror the returned promise rejects with an aborterror if the user agent is already showing a payment panel.
... the promise is also rejected with aborterror if the user cancels the payment request.
...esspayment() { try { const payrequest = new paymentrequest(methoddata, details, options); payrequest.onshippingaddresschange = ev => ev.updatewith(checkaddress(payrequest)); payrequest.onshippingoptionchange = ev => ev.updatewith(checkshipping(payrequest)); const repsonse = await payrequest.show(); await validateresponse(response); } catch(err) { /* handle the error; aborterror usually means a user cancellation */ } } in this code, the methods checkaddress() and checkshipping(), respectively, check the shipping address and the shipping option changes and supply in response either a paymentdetailsupdate object or a promise to return one; this object contains the fields in the paymentresponse which have been or need to be changed.

WebGLRenderingContext.makeXRCompatible() - Web APIs
exceptions this method doesn't throw traditional exceptions; instead, the promise rejects with one of the following errors as the value passed into the rejection handler: aborterror switching the context over to the webxr-compatible context failed.
...*/ 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) { ...

AbortController.AbortController() - Web APIs
}).catch(function(e) { reports.textcontent = 'download error: ' + e.message; }) } note: when abort() is called, the fetch() promise rejects with an aborterror.

AbortController.abort() - Web APIs
}).catch(function(e) { reports.textcontent = 'download error: ' + e.message; }) } note: when abort() is called, the fetch() promise rejects with an aborterror.

AbortController.signal - Web APIs
}).catch(function(e) { reports.textcontent = 'download error: ' + e.message; }) } note: when abort() is called, the fetch() promise rejects with an aborterror.

AbortController - Web APIs
}).catch(function(e) { reports.textcontent = 'download error: ' + e.message; }) } note: when abort() is called, the fetch() promise rejects with a domexception named aborterror.

AbortSignal - Web APIs
}).catch(function(e) { reports.textcontent = 'download error: ' + e.message; }) } note: when abort() is called, the fetch() promise rejects with an aborterror.

Animation.cancel() - Web APIs
exceptions this method doesn't directly throw exceptions; however, if the animation's playstate is anything but "idle" when cancelled, the current finished promise is rejected with a domexception named aborterror.

CredentialsContainer.get() - Web APIs
an aborted operation may complete normally (generally if the abort was received after the operation finished) or reject with an "aborterror" domexception.

DOMError - Web APIs
aborterror the operation was aborted.

DOMException - Web APIs
(legacy code value: 19 and legacy constant name: network_err) aborterror the operation was aborted.

HTMLMediaElement.load() - Web APIs
pending play promises are aborted with an "aborterror" domexception.

IDBRequest.error - Web APIs
the following error codes are returned under certain conditions: error explanation aborterror if you abort the transaction, then all requests still in progress receive this error.

IDBTransaction.abort() - Web APIs
all pending idbrequest objects created during this transaction have their idbrequest.error attribute set to aborterror.

Using IndexedDB - Web APIs
arty cookies (see bug 1147821.) warning about browser shutdown when the browser shuts down (because the user chose the quit or exit option), the disk containing the database is removed unexpectedly, or permissions are lost to the database store, the following things happen: each transaction on every affected database (or all open databases, in the case of browser shutdown) is aborted with an aborterror.