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topics:flex-initial-value [2012/06/26 20:36] 218.108.168.134 NQfIgDlTWKip |
topics:flex-initial-value [2014/12/09 15:48] (current) |
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| - | eJKJxL , [url=http://gaofpslegtue.com/]gaofpslegtue[/url], [link=http://devxxdhtirww.com/]devxxdhtirww[/link], http://ktllbcrlpwsq.com/ | + | ====== initial values of flex ====== |
| + | |||
| + | ---- dataentry ---- | ||
| + | Spec_tags : css3-flexbox | ||
| + | Owner_tags : fantasai #Who's driving the discussion? | ||
| + | Status_tags : Closed #[ Open | Closed | Pending ] [, Urgent]? | ||
| + | Added_dt : 2012-05-30 #Date added as WG discussion request | ||
| + | Action : Discuss and resolve. | ||
| + | Issue_urls : http://lists.w3.org/Archives/Public/www-style/2012May/0753.html | ||
| + | Proposal_urls : http://lists.w3.org/Archives/Public/www-style/2012May/1177.html | ||
| + | Agenda_urls : #If this is part of an ordered series of related topics, e.g. LC issues, use this to link to the supertopic agenda | ||
| + | ---- | ||
| + | |||
| + | === Background === | ||
| + | |||
| + | There's been a lot of discussion lately (after the Hamburg F2F) on what the initial values of 'flex' should be, and there are some concerns raised by Ojan with the resolution recorded there. | ||
| + | |||
| + | === Problem Statement === | ||
| + | |||
| + | What are the best initial values for flex? | ||
| + | |||
| + | === Proposal(s) === | ||
| + | |||
| + | == Proposal A: ''flex: none'' == | ||
| + | |||
| + | * Pros | ||
| + | * It's easier to use alignment and auto margins | ||
| + | * Easier for use cases that want some but not most items flexible, e.g. one item takes up all free space | ||
| + | * Cons | ||
| + | * Doesn't have negative flexibility be default, which could help prevent overflow in many cases | ||
| + | * Inconsistent with 'stretch' default in cross-dimension | ||
| + | |||
| + | == Proposal B: ''flex: auto'' == | ||
| + | |||
| + | * Pros | ||
| + | * Negative flex is on by default, preventing overflow in many cases | ||
| + | * Consistent with 'stretch' default in cross-dimension | ||
| + | * Cons | ||
| + | * Harder to use alignment and margins, since have to turn off flex first | ||
| + | * More work for use cases that want most items inflexible | ||
| + | |||
| + | == Proposal C: ''flex: 0 1 auto'' == | ||
| + | |||
| + | * Pros | ||
| + | * Negative flex is on by default, preventing overflow in many cases | ||
| + | * Easy to use alignment and auto margins since positive free space is not flexed | ||
| + | * Easy for use cases where free space is distributed to e.g. only one item | ||
| + | * Cons | ||
| + | * Inconsistent with 'stretch' default in cross-dimension | ||
| + | |||
| + | === Resolution === | ||
| + | |||
| + | The WG resolved on Proposal C. | ||