[1] [CITE@en-US[CanvasRenderingContext2D.measureText() - Web APIs | MDN]]
( ([TIME[2016-02-02 12:42:58 +09:00]]))
<https://developer.mozilla.org/en/docs/Web/API/CanvasRenderingContext2D/measureText>

[2] [CITE@en[Remove unnecessary security check from measureText()]]
([[annevk]]著, [TIME[2018-09-06 00:43:50 +09:00]])
<https://github.com/whatwg/html/commit/ae94ec51c83fabdde6bafee5443e29bcccd18e10>

[3] [CITE@en[Canvas's measureText shouldn't throw SecurityError · Issue #3992 · whatwg/html]]
([TIME[2018-09-29 17:33:55 +09:00]])
<https://github.com/whatwg/html/issues/3992>

[4] [CITE@en[measureText() doesn't need a security check by annevk · Pull Request #4002 · whatwg/html]]
([TIME[2018-09-29 17:34:44 +09:00]])
<https://github.com/whatwg/html/pull/4002>