759 lines
15 KiB
JSON
759 lines
15 KiB
JSON
{
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"title":"calc() as CSS unit value",
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"description":"Method of allowing calculated values for length units, i.e. `width: calc(100% - 3em)`",
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"spec":"https://w3c.github.io/csswg-drafts/css-values-3/#calc-notation",
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"status":"cr",
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"links":[
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{
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"url":"https://hacks.mozilla.org/2010/06/css3-calc/",
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"title":"Mozilla Hacks article"
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},
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{
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"url":"https://developer.mozilla.org/en/docs/Web/CSS/calc",
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"title":"MDN Web Docs - calc"
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},
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{
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"url":"https://webplatform.github.io/docs/css/functions/calc",
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"title":"WebPlatform Docs"
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}
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],
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"bugs":[
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{
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"description":"IE 9 - 11 and Edge do not support `width: calc()` on table cells. [Bug Report](https://web.archive.org/web/20171123043312/https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/10982196/)"
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},
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{
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"description":"IE 9 - 11 don't render `box-shadow` when `calc()` is used for any of the values"
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},
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{
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"description":"IE10 crashes when a div with a property using `calc()` has a child with [same property with inherit](https://stackoverflow.com/questions/19423384/css-less-calc-method-is-crashing-my-ie10)."
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},
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{
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"description":"IE10, IE11, and Edge < 14 don't support using `calc()` inside a `transform`. [Bug report](https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/104773/)"
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},
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{
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"description":"IE11 is reported to have trouble with `calc()` with nested expressions, e.g. `width: calc((100% - 10px) / 3);` (i.e. it rounds differently)"
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},
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{
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"description":"IE11 is reported to not support `calc()` correctly in [generated content](https://stackoverflow.com/questions/31323915/internet-explorer-incorrectly-calculates-percentage-height-for-generated-content)"
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},
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{
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"description":"IE11 does not support transitioning values set with `calc()`"
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},
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{
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"description":"Safari & iOS Safari (both 6 and 7) does not support viewport units (`vw`, `vh`, etc) in `calc()`."
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},
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{
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"description":"IE & Edge are reported to not support calc inside a 'flex'. (Not tested on older versions)\r\nThis example does not work: `flex: 1 1 calc(50% - 20px);`"
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},
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{
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"description":"IE does not support `calc()` on color functions. Example: `color: hsl(calc(60 * 2), 100%, 50%)`."
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},
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{
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"description":"Firefox <48 does not support `calc()` inside the `line-height`, `stroke-width`, `stroke-dashoffset`, and `stroke-dasharray` properties. [Bug report](https://bugzilla.mozilla.org/show_bug.cgi?id=594933)"
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},
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{
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"description":"Firefox <59 does not support `calc()` on color functions. Example: `color: hsl(calc(60 * 2), 100%, 50%)`. [Bug Report](https://bugzilla.mozilla.org/show_bug.cgi?id=984021)"
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},
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{
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"description":"Firefox <66 does not support `width: calc()` on table cells. [Bug Report](https://bugzilla.mozilla.org/show_bug.cgi?id=957915)"
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}
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],
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"categories":[
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"CSS3"
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],
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"stats":{
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"ie":{
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"5.5":"n",
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"8":"n",
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"9":"a #2",
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"10":"a #3",
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"11":"a #3"
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},
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"91":"y",
|
|
"92":"y",
|
|
"93":"y",
|
|
"94":"y",
|
|
"95":"y",
|
|
"96":"y",
|
|
"97":"y",
|
|
"98":"y",
|
|
"99":"y",
|
|
"100":"y",
|
|
"101":"y",
|
|
"102":"y",
|
|
"103":"y",
|
|
"104":"y",
|
|
"105":"y",
|
|
"106":"y",
|
|
"107":"y",
|
|
"108":"y",
|
|
"109":"y",
|
|
"110":"y",
|
|
"111":"y",
|
|
"112":"y",
|
|
"113":"y",
|
|
"114":"y",
|
|
"115":"y",
|
|
"116":"y",
|
|
"117":"y",
|
|
"118":"y",
|
|
"119":"y",
|
|
"120":"y",
|
|
"121":"y",
|
|
"122":"y"
|
|
},
|
|
"ios_saf":{
|
|
"3.2":"n",
|
|
"4.0-4.1":"n",
|
|
"4.2-4.3":"n",
|
|
"5.0-5.1":"n",
|
|
"6.0-6.1":"y x",
|
|
"7.0-7.1":"y",
|
|
"8":"y",
|
|
"8.1-8.4":"y",
|
|
"9.0-9.2":"y",
|
|
"9.3":"y",
|
|
"10.0-10.2":"y",
|
|
"10.3":"y",
|
|
"11.0-11.2":"y",
|
|
"11.3-11.4":"y",
|
|
"12.0-12.1":"y",
|
|
"12.2-12.5":"y",
|
|
"13.0-13.1":"y",
|
|
"13.2":"y",
|
|
"13.3":"y",
|
|
"13.4-13.7":"y",
|
|
"14.0-14.4":"y",
|
|
"14.5-14.8":"y",
|
|
"15.0-15.1":"y",
|
|
"15.2-15.3":"y",
|
|
"15.4":"y",
|
|
"15.5":"y",
|
|
"15.6-15.8":"y",
|
|
"16.0":"y",
|
|
"16.1":"y",
|
|
"16.2":"y",
|
|
"16.3":"y",
|
|
"16.4":"y",
|
|
"16.5":"y",
|
|
"16.6-16.7":"y",
|
|
"17.0":"y",
|
|
"17.1":"y",
|
|
"17.2":"y",
|
|
"17.3":"y",
|
|
"17.4":"y",
|
|
"17.5":"y",
|
|
"17.6-17.7":"y",
|
|
"18.0":"y",
|
|
"18.1":"y",
|
|
"18.2":"y",
|
|
"18.3":"y",
|
|
"18.4":"y",
|
|
"18.5-18.6":"y",
|
|
"26.0":"y",
|
|
"26.1":"y"
|
|
},
|
|
"op_mini":{
|
|
"all":"n"
|
|
},
|
|
"android":{
|
|
"2.1":"n",
|
|
"2.2":"n",
|
|
"2.3":"n",
|
|
"3":"n",
|
|
"4":"n",
|
|
"4.1":"n",
|
|
"4.2-4.3":"n",
|
|
"4.4":"a #1",
|
|
"4.4.3-4.4.4":"a #1",
|
|
"142":"y"
|
|
},
|
|
"bb":{
|
|
"7":"n",
|
|
"10":"y"
|
|
},
|
|
"op_mob":{
|
|
"10":"n",
|
|
"11":"n",
|
|
"11.1":"n",
|
|
"11.5":"n",
|
|
"12":"n",
|
|
"12.1":"n",
|
|
"80":"y"
|
|
},
|
|
"and_chr":{
|
|
"142":"y"
|
|
},
|
|
"and_ff":{
|
|
"144":"y"
|
|
},
|
|
"ie_mob":{
|
|
"10":"y",
|
|
"11":"y"
|
|
},
|
|
"and_uc":{
|
|
"15.5":"y"
|
|
},
|
|
"samsung":{
|
|
"4":"y",
|
|
"5.0-5.4":"y",
|
|
"6.2-6.4":"y",
|
|
"7.2-7.4":"y",
|
|
"8.2":"y",
|
|
"9.2":"y",
|
|
"10.1":"y",
|
|
"11.1-11.2":"y",
|
|
"12.0":"y",
|
|
"13.0":"y",
|
|
"14.0":"y",
|
|
"15.0":"y",
|
|
"16.0":"y",
|
|
"17.0":"y",
|
|
"18.0":"y",
|
|
"19.0":"y",
|
|
"20":"y",
|
|
"21":"y",
|
|
"22":"y",
|
|
"23":"y",
|
|
"24":"y",
|
|
"25":"y",
|
|
"26":"y",
|
|
"27":"y",
|
|
"28":"y",
|
|
"29":"y"
|
|
},
|
|
"and_qq":{
|
|
"14.9":"y"
|
|
},
|
|
"baidu":{
|
|
"13.52":"y"
|
|
},
|
|
"kaios":{
|
|
"2.5":"y",
|
|
"3.0-3.1":"y"
|
|
}
|
|
},
|
|
"notes":"Support can be somewhat emulated in older versions of IE using the non-standard `expression()` syntax.\r\n\r\nDue to the way browsers handle [sub-pixel rounding](https://johnresig.com/blog/sub-pixel-problems-in-css/) differently, layouts using `calc()` expressions may have unexpected results.",
|
|
"notes_by_num":{
|
|
"1":"Partial support in Android Browser 4.4 refers to the browser lacking the ability to multiply and divide values.",
|
|
"2":"Partial support in IE9 refers to the browser crashing when used as a `background-position` value.",
|
|
"3":"Partial support in IE10/IE11 refers to calc not working properly with various use cases mentioned in known issues"
|
|
},
|
|
"usage_perc_y":94.92,
|
|
"usage_perc_a":0.35,
|
|
"ucprefix":false,
|
|
"parent":"",
|
|
"keywords":"",
|
|
"chrome_id":"5765241438732288",
|
|
"shown":true
|
|
}
|