https://lists.w3.org/Archives/Public/public-whatwg-archive/2011May/0147.html
[whatwg] Canvas.getContext error handling from Ian Hickson on 2011-05-12...
error handling
https://api.drupal.org/api/drupal/11.x/search/getContext
Search for getContext | Drupal API
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https://api.drupal.org/api/drupal/core%21lib%21Drupal%21Core%21Cache%21Context%21PathParentCacheContext.php/function/PathParentCacheContext%3A%3AgetContext/9
function PathParentCacheContext::getContext | Drupal API
functiondrupalapi
https://bugzilla.mozilla.org/show_bug.cgi?id=1747744
1747744 - Requesting a CanvasRenderingContext2D from an OffscreenCanvas.getContext results in an...
RESOLVED (nobody) in Core - Graphics: Canvas2D. Last updated 2021-12-27.
requestingoffscreencanvasresults
https://lists.w3.org/Archives/Public/public-whatwg-archive/2011May/0009.html
[whatwg] Proposal to change getContext to support unavailable context at run-time. from Cedric...
https://api.drupal.org/api/drupal/core%21lib%21Drupal%21Core%21Cache%21Context%21IsSuperUserCacheContext.php/function/IsSuperUserCacheContext%3A%3AgetContext/9
function IsSuperUserCacheContext::getContext | Drupal API
functiondrupalapi
https://api.drupal.org/api/drupal/core%21lib%21Drupal%21Core%21Cache%21Context%21SessionCacheContext.php/function/SessionCacheContext%3A%3AgetContext/9
function SessionCacheContext::getContext | Drupal API
functiondrupalapi
https://api.drupal.org/api/drupal/core%21lib%21Drupal%21Core%21Routing%21AccessAwareRouter.php/function/AccessAwareRouter%3A%3AgetContext/8.9.x
function AccessAwareRouter::getContext | Drupal API
functiondrupalapi
https://api.drupal.org/api/drupal/core%21lib%21Drupal%21Core%21Cache%21Context%21SiteCacheContext.php/function/SiteCacheContext%3A%3AgetContext/10
function SiteCacheContext::getContext | Drupal API
functiondrupalapi
https://api.drupal.org/api/drupal/core%21modules%21book%21src%21Cache%21BookNavigationCacheContext.php/function/BookNavigationCacheContext%3A%3AgetContext/9
function BookNavigationCacheContext::getContext | Drupal API
functiondrupalapi