mask-position Initial value

[kimgaeun77]

MDN URL

https://developer.mozilla.org/en-US/docs/Web/CSS/mask-position

What specific section or headline is this issue about?

No response

What information was incorrect, unhelpful, or incomplete?

The page says that the mask-position Initial value is center, but when I tested it in Chrome, Firefox, etc., it was not center.

What did you expect to see?

I expected mask-position center as shown on the page.

Do you have any supporting links, references, or citations?

No response

Do you have anything more you want to share?

No response

MDN metadata

Page report details

• Folder: en-us/web/css/mask-position
• MDN URL: https://developer.mozilla.org/en-US/docs/Web/CSS/mask-position
• GitHub URL: https://github.com/mdn/content/blob/main/files/en-us/web/css/mask-position/index.md
• Last commit: mdn/content@c77cfcd
• Document last modified: 2023-07-20T07:38:29.000Z

[bsmth]

Thanks a lot @kimgaeun77 for raising this one. I dug a little into this and indeed, the initial value is 0% 0% (top-left corner). This is defined here:

data/css/properties.json

Lines 6868 to 6883 in af8a84a

	"mask-position": {
	"syntax": "<position>#",
	"media": "visual",
	"inherited": false,
	"animationType": "repeatableList",
	"percentages": "referToSizeOfMaskPaintingArea",
	"groups": [
	"CSS Masking"
	],
	"initial": "center",
	"appliesto": "allElementsSVGContainerElements",
	"computed": "consistsOfTwoKeywordsForOriginAndOffsets",
	"order": "perGrammar",
	"status": "standard",
	"mdn_url": "https://developer.mozilla.org/docs/Web/CSS/mask-position"
	},

I will move this into the data repo so we can fix it there.

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[bsmth]

This is now fixed in the linked PR. Thanks a lot for raising and fixing 👍🏻

[kimgaeun77]

Yes, thank you too😊I have one question.
It doesn't seem to have changed in the mdn official document(https://developer.mozilla.org/en-US/docs/Web/CSS/mask-position) yet. Can you tell when it will change?

[bsmth]

I have one question.

Sure thing: your changes have been included in #715. This new version will be picked up automatically as a bumped dependency in Yari -> https://github.com/mdn/yari/blob/main/CHANGELOG.md and it should be visible when builds are done with this new version. It may take a few days, but there's no other manual tasks outstanding, as far as I know.

[kimgaeun77]

Thank you so much for letting me know😊Have a nice day!!👍