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Add property data for scroll triggered animations #1046

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Merged
Rumyra merged 3 commits into from
Feb 13, 2026
Merged

Add property data for scroll triggered animations #1046

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8fd0578
Add property data for scroll triggered animations
chrisdavidmills Feb 12, 2026
fe84180
update the MDN URLs
chrisdavidmills Feb 12, 2026
95c97e7
Correct syntax, add fr translation
chrisdavidmills Feb 13, 2026
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209 changes: 209 additions & 0 deletions css/properties.json
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Original file line number Diff line number Diff line change
Expand Up @@ -2020,6 +2020,22 @@
"status": "standard",
"mdn_url": "https://developer.mozilla.org/docs/Web/CSS/animation-timing-function"
},
"animation-trigger": {
"syntax": "[ none | [ <dashed-ident> <animation-action>+ ]+ ]#",
"media": "visual",
"inherited": false,
"animationType": "notAnimatable",
"percentages": "no",
"groups": [
"CSS Animations"
],
"initial": "none",
"appliesto": "allElements",
"computed": "asSpecified",
"order": "perGrammar",
"status": "standard",
"mdn_url": "https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/animation-trigger"
},
"appearance": {
"syntax": "none | auto | <compat-auto> | <compat-special>",
"media": "all",
Expand Down Expand Up @@ -11041,6 +11057,183 @@
"status": "experimental",
"mdn_url": "https://developer.mozilla.org/docs/Web/CSS/timeline-scope"
},
"timeline-trigger": {
"syntax": "none | [ <'timeline-trigger-name'> <'timeline-trigger-source'> <'timeline-trigger-range'> [ '/' <'timeline-trigger-exit-range'> ]? ]#",
"media": "visual",
"inherited": false,
"animationType": [
"timeline-trigger-name",
"timeline-trigger-source",
"timeline-trigger-range",
"timeline-trigger-exit-range"
],
"percentages": "no",
"groups": [
"CSS Animations"
],
"initial": [
"timeline-trigger-name",
"timeline-trigger-source",
"timeline-trigger-range",
"timeline-trigger-exit-range"
],
"appliesto": "allElements",
"computed": [
"timeline-trigger-name",
"timeline-trigger-source",
"timeline-trigger-range",
"timeline-trigger-exit-range"
],
"order": "perGrammar",
"status": "standard",
"mdn_url": "https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/timeline-trigger"
},
"timeline-trigger-name": {
"syntax": "none | <dashed-ident>#",
"media": "visual",
"inherited": false,
"animationType": "notAnimatable",
"percentages": "no",
"groups": [
"CSS Animations"
],
"initial": "none",
"appliesto": "allElements",
"computed": "asSpecified",
"order": "perGrammar",
"status": "standard",
"mdn_url": "https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/timeline-trigger-name"
},
"timeline-trigger-exit-range": {
"syntax": "[ <'timeline-trigger-exit-range-start'> <'timeline-trigger-exit-range-end'>? ]#",
"media": "visual",
"inherited": false,
"animationType": "notAnimatable",
"percentages": [
"timeline-trigger-exit-range-start",
"timeline-trigger-exit-range-end"
],
"groups": [
"CSS Animations"
],
"initial": [
"timeline-trigger-exit-range-start",
"timeline-trigger-exit-range-end"
],
"appliesto": "allElements",
"computed": [
"timeline-trigger-exit-range-start",
"timeline-trigger-exit-range-end"
],
"order": "perGrammar",
"status": "standard",
"mdn_url": "https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/timeline-trigger-exit-range"
},
"timeline-trigger-exit-range-end": {
"syntax": "[ normal | <length-percentage> | <timeline-range-name> <length-percentage>? ]#",
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"media": "visual",
"inherited": false,
"animationType": "notAnimatable",
"percentages": "relativeToTimelineRangeIfSpecifiedOtherwiseEntireTimeline",
"groups": [
"CSS Animations"
],
"initial": "normal",
"appliesto": "allElements",
"computed": "listEachItemConsistingOfNormalLengthPercentageOrNameLengthPercentage",
"order": "perGrammar",
"status": "standard",
"mdn_url": "https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/timeline-trigger-exit-range-end"
},
"timeline-trigger-exit-range-start": {
"syntax": "[ normal | <length-percentage> | <timeline-range-name> <length-percentage>? ]#",
"media": "visual",
"inherited": false,
"animationType": "notAnimatable",
"percentages": "relativeToTimelineRangeIfSpecifiedOtherwiseEntireTimeline",
"groups": [
"CSS Animations"
],
"initial": "normal",
"appliesto": "allElements",
"computed": "listEachItemConsistingOfNormalLengthPercentageOrNameLengthPercentage",
"order": "perGrammar",
"status": "standard",
"mdn_url": "https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/timeline-trigger-exit-range-start"
},
"timeline-trigger-range": {
"syntax": "[ <'timeline-trigger-range-start'> <'timeline-trigger-range-end'>? ]#",
"media": "visual",
"inherited": false,
"animationType": "notAnimatable",
"percentages": [
"timeline-trigger-range-start",
"timeline-trigger-range-end"
],
"groups": [
"CSS Animations"
],
"initial": [
"timeline-trigger-range-start",
"timeline-trigger-range-end"
],
"appliesto": "allElements",
"computed": [
"timeline-trigger-range-start",
"timeline-trigger-range-end"
],
"order": "perGrammar",
"status": "standard",
"mdn_url": "https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/timeline-trigger-range"
},
"timeline-trigger-range-end": {
"syntax": "[ normal | <length-percentage> | <timeline-range-name> <length-percentage>? ]#",
"media": "visual",
"inherited": false,
"animationType": "notAnimatable",
"percentages": "relativeToTimelineRangeIfSpecifiedOtherwiseEntireTimeline",
"groups": [
"CSS Animations"
],
"initial": "normal",
"appliesto": "allElements",
"computed": "listEachItemConsistingOfNormalLengthPercentageOrNameLengthPercentage",
"order": "perGrammar",
"status": "standard",
"mdn_url": "https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/timeline-trigger-range-end"
},
"timeline-trigger-range-start": {
"syntax": "[ normal | <length-percentage> | <timeline-range-name> <length-percentage>? ]#",
"media": "visual",
"inherited": false,
"animationType": "notAnimatable",
"percentages": "relativeToTimelineRangeIfSpecifiedOtherwiseEntireTimeline",
"groups": [
"CSS Animations"
],
"initial": "normal",
"appliesto": "allElements",
"computed": "listEachItemConsistingOfNormalLengthPercentageOrNameLengthPercentage",
"order": "perGrammar",
"status": "standard",
"mdn_url": "https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/timeline-trigger-range-start"
},
"timeline-trigger-source": {
"syntax": "<single-animation-timeline>#",
"media": "visual",
"inherited": false,
"animationType": "notAnimatable",
"percentages": "no",
"groups": [
"CSS Animations"
],
"initial": "auto",
"appliesto": "allElements",
"computed": "listOfNoneAutoIdentScrollOrView",
"order": "perGrammar",
"status": "standard",
"mdn_url": "https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/timeline-trigger-source"
},
"top": {
"syntax": "auto | <length-percentage> | <anchor()> | <anchor-size()>",
"media": "visual",
Expand Down Expand Up @@ -11265,6 +11458,22 @@
"status": "standard",
"mdn_url": "https://developer.mozilla.org/docs/Web/CSS/translate"
},
"trigger-scope": {
"syntax": "none | all | <dashed-ident>#",
"media": "visual",
"inherited": false,
"animationType": "notAnimatable",
"percentages": "no",
"groups": [
"CSS Animations"
],
"initial": "none",
"appliesto": "allElements",
"computed": "asSpecified",
"order": "perGrammar",
"status": "standard",
"mdn_url": "https://developer.mozilla.org/docs/Web/CSS/Reference/Properties/trigger-scope"
},
"unicode-bidi": {
"syntax": "normal | embed | isolate | bidi-override | isolate-override | plaintext",
"media": "visual",
Expand Down
1 change: 1 addition & 0 deletions css/properties.schema.json
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Original file line number Diff line number Diff line change
Expand Up @@ -159,6 +159,7 @@
"listEachItemHasTwoKeywordsOnePerDimension",
"listEachItemIdentifierOrNoneAuto",
"listEachItemTwoKeywordsOriginOffsets",
"listOfNoneAutoIdentScrollOrView",
"noneOrImageWithAbsoluteURI",
"noneOrOrderedListOfIdentifiers",
"normalizedAngle",
Expand Down
3 changes: 3 additions & 0 deletions css/syntaxes.json
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Original file line number Diff line number Diff line change
Expand Up @@ -44,6 +44,9 @@
"animateable-feature": {
"syntax": "scroll-position | contents | <custom-ident>"
},
"animation-action": {
"syntax": "none | play | play-once | play-forwards | play-backwards | pause | reset | replay"
},
"asin()": {
"syntax": "asin( <calc-sum> )"
},
Expand Down
3 changes: 3 additions & 0 deletions l10n/css.json
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Expand Up @@ -1219,6 +1219,9 @@
"zh-CN": "列表项",
"zh-TW": "清單項目"
},
"listOfNoneAutoIdentScrollOrView": {
"en-US": "A list, with each item being either the keyword <code>none</code>, the keyword <code>auto</code>, a case-sensitive {{cssxref(\"&lt;ident>\")}}, a computed {{cssxref(\"animation-timeline/scroll\")}} function, or a computed {{cssxref(\"animation-timeline/view\")}} function."
},
"listSeparator": {
"de": ", ",
"en-US": ", ",
Expand Down