175 lines
10 KiB
Markdown
175 lines
10 KiB
Markdown
---
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title: Internet Explorer
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category: HTML
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updated: 2018-03-06
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---
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## Support table
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{: .-one-column}
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### CSS Selectors
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| Feature | IE6 | IE7 | IE8 | IE9 | IE10 |
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| ---------------------------------------------------------- | - | - | - | - | -- |
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| `>` _(descendant)_ | | 7 ✓ | ✓ | ✓ | ✓ |
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| `[attr]` _(attribute)_ | | 7 ✓ | ✓ | ✓ | ✓ |
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| `.class1.class2` _(multiple classes)_ | | 7 ✓ | ✓ | ✓ | ✓ |
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| `~` _(sibling)_ | | 7 ✓ | ✓ | ✓ | ✓ |
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| `+` _(adjacent)_ | | 7 ✓ | ✓ | ✓ | ✓ |
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| ---------------------------------------------------------- | - | - | - | - | -- |
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| `:first-child` <sup>\*</sup> | | | 8 ✓ | ✓ | ✓ |
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| `:focus` | | | 8 ✓ | ✓ | ✓ |
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| `:before` `:after` _(single colon only)_ | | | 8 ✓ | ✓ | ✓ |
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| `:lang` | | | 8 ✓ | ✓ | ✓ |
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| ---------------------------------------------------------- | - | - | - | - | -- |
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| `:first-of-type`, `:last-of-type` | | | | 9 ✓ | ✓ |
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| `:last-child` | | | | 9 ✓ | ✓ |
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| `:empty` | | | | 9 ✓ | ✓ |
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| `:enabled` `:disabled` `:checked` | | | | 9 ✓ | ✓ |
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| `:not()` | | | | 9 ✓ | ✓ |
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| `:nth-child()` `:nth-last-child()` | | | | 9 ✓ | ✓ |
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| `:nth-of-type()` `:nth-last-of-type()` `:only-of-type()` | | | | 9 ✓ | ✓ |
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| `:only-child()` | | | | 9 ✓ | ✓ |
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| `:target` | | | | 9 ✓ | ✓ |
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| `::selection` | | | | 9 ✓ | ✓ |
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| `:root` | | | | 9 ✓ | ✓ |
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{: .-headers.-no-wrap}
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`first-child:` doesn't work for elements inserted via JS.
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### CSS properties
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| Feature | IE6 | IE7 | IE8 | IE9 | IE10 | IE11 |
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| ---------------------------------------------------------- | - | - | - | - | -- | -- |
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| `max-width` | | 7 ✓ | ✓ | ✓ | ✓ | ✓ |
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| `position: fixed` | | 7 ✓ | ✓ | ✓ | ✓ | ✓ |
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| ---------------------------------------------------------- | - | - | - | - | -- | -- |
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| `outline` | | | 8 ✓ | ✓ | ✓ | ✓ |
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| `display: inline-block` <sup>\*</sup> | | | 8 ✓ | ✓ | ✓ | ✓ |
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| `display: table` | | | 8 ✓ | ✓ | ✓ | ✓ |
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| `border-collapse`, `border-spacing`, `table-layout`, ... | | | 8 ✓ | ✓ | ✓ | ✓ |
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| `whitespace: pre-wrap` | | | 8 ✓ | ✓ | ✓ | ✓ |
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| `whitespace: pre-line` | | | 8 ✓ | ✓ | ✓ | ✓ |
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| `box-sizing` | | | 8 ✓ | ✓ | ✓ | ✓ |
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| ---------------------------------------------------------- | - | - | - | - | -- | -- |
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| `background-clip` | | | | 9 ✓ | ✓ | ✓ |
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| `background-origin` | | | | 9 ✓ | ✓ | ✓ |
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| `background-size` | | | | 9 ✓ | ✓ | ✓ |
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| `background: x, y, z` _(multiple backgrounds)_ | | | | 9 ✓ | ✓ | ✓ |
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| `opacity` | | | | 9 ✓ | ✓ | ✓ |
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| `border-radius` | | | | 9 ✓ | ✓ | ✓ |
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| `box-shadow` | | | | 9 ✓ | ✓ | ✓ |
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| `rgba()` | | | | 9 ✓ | ✓ | ✓ |
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| `transform` | | | | 9 ✓ | ✓ | ✓ |
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| ---------------------------------------------------------- | - | - | - | - | -- | -- |
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| `animation` | | | | | 10 ✓ | ✓ |
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| `transition` | | | | | 10 ✓ | ✓ |
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| `linear-gradient()` | | | | | 10 ✓ | ✓ |
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| `text-shadow` — [polyfill][text-shadow] | | | | | 10 ✓ | ✓ |
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| ---------------------------------------------------------- | - | - | - | - | -- | -- |
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| `border-image` | | | | | | 11 ✓ |
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{: .-headers.-no-wrap}
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`inline-block:` IE6/7 can only support inline-block for elements that are naturally inline, like span
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### Features
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| Feature | IE6 | IE7 | IE8 | IE9 | IE10 | IE11 |
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| ---------------------------------------------------------- | - | - | - | - | -- | -- |
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| PNG alpha transparency | | 7 ✓ | ✓ | ✓ | ✓ | ✓ |
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| ---------------------------------------------------------- | - | - | - | - | -- | -- |
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| data URI [⊙][datauri] | | | 8 ✓ | ✓ | ✓ | ✓ |
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| JS: JSON parsing [⊙][json] | | | 8 ✓ | ✓ | ✓ | ✓ |
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| JS: Cross-origin resource sharing [⊙][cors] | | | 8 ✓ | ✓ | ✓ | ✓ |
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| JS: Local storage [⊙][localstorage] | | | 8 ✓ | ✓ | ✓ | ✓ |
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| ---------------------------------------------------------- | - | - | - | - | -- | -- |
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| CSS: `@media` queries — [polyfill][respond] | | | | 9 ✓ | ✓ | ✓ |
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| HTML: new HTML5 elements - [polyfill][html5shiv] | | | | 9 ✓ | ✓ | ✓ |
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| HTML: `<canvas>` | | | | 9 ✓ | ✓ | ✓ |
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| HTML: `<svg>` | | | | 9 ✓ | ✓ | ✓ |
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| HTML: `<img src='image.svg'>` | | | | 9 ✓ | ✓ | ✓ |
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| ---------------------------------------------------------- | - | - | - | - | -- | -- |
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| CSS: flexbox [⊙][flexbox] <sup>\*</sup> | | | | | 10 ✓ | ✓ |
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| HTML: `<input placeholder='..'>` [⊙][placeholder] | | | | | 10 ✓ | ✓ |
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| HTML: `<input type='range'>` | | | | | 10 ✓ | ✓ |
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| HTML: `<input required>` [⊙][validation] | | | | | 10 ✓ | ✓ |
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| JS: Web sockets | | | | | 10 ✓ | ✓ |
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| ---------------------------------------------------------- | - | - | - | - | -- | -- |
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| JS: Fullscreen mode | | | | | | 11 ✓ |
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{: .-headers.-no-wrap}
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`flexbox:` IE10 only supports the 2012 syntax with -ms- prefix.
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## Polyfills
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### IE polyfills
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Always install these in almost every project:
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- [json2] for JSON parsing (for IE7 below)
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- [selectivizr] for selectors (for IE8 below)
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- [html5shiv] for new HTML tags (for IE8 below)
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- [respond] for media queries (for IE8 below)
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- See [this article](http://ricostacruz.com/til/ie-polyfills.html) for info
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```html
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<!--[if lt IE 9]>
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<script src='https://cdnjs.cloudflare.com/ajax/libs/nwmatcher/1.2.5/nwmatcher.min.js'></script>
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<script src='https://cdnjs.cloudflare.com/ajax/libs/json2/20140204/json2.min.js'>
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<script src='https://cdn.rawgit.com/gisu/selectivizr/1.0.3/selectivizr.js'></script>
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<script src='https://cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.3/html5shiv.min.js'>
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<script src='https://cdnjs.cloudflare.com/ajax/libs/respond.js/1.4.2/respond.js'>
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<![endif]-->
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```
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### You may also need
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- [modernizr] for feature detection
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### for CSS3 decorations
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- [css3pie]
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- [cssSandpaper]
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- [ecsstender]
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See: [Cross-browser polyfills list][fills]
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Misc
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----
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### IE Conditional comment HTML
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```html
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<!--[if lt IE 7 ]> <html class="ie6"> <![endif]-->
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<!--[if IE 7 ]> <html class="ie7"> <![endif]-->
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<!--[if IE 8 ]> <html class="ie8"> <![endif]-->
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<!--[if IE 9 ]> <html class="ie9"> <![endif]-->
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<!--[if (gt IE 9)|!(IE)]><!--> <html class=""> <!--<![endif]-->
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```
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### IE conditionals
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```html
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<!--[if IE]> I'm IE <![endif]-->
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<!--[if !IE]> --> Not IE <!-- <![endif]-->
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```
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[text-shadow]: https://github.com/heygrady/textshadow
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[ie7.js]: http://ie7-js.googlecode.com/svn/test/index.html
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[selectivizr]: http://selectivizr.com/
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[css3pie]: http://css3pie.com/
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[cssSandpaper]: https://github.com/zoltan-dulac/cssSandpaper
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[html5shiv]: https://code.google.com/p/html5shiv/
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[fills]: https://github.com/Modernizr/Modernizr/wiki/HTML5-Cross-Browser-Polyfills
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[json2]: https://github.com/douglascrockford/JSON-js
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[modernizr]: https://modernizr.com
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[ecsstender]: http://ecsstender.org/
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[respond]: https://github.com/scottjehl/Respond
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[flexbox]: https://caniuse.com/#feat=flexbox
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[cors]: https://caniuse.com/#feat=cors
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[localstorage]: https://caniuse.com/#feat=localstorage
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[json]: https://caniuse.com/#feat=json
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[datauri]: https://caniuse.com/#feat=datauri
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[validation]: https://caniuse.com/#search=validation
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[placeholder]: https://caniuse.com/#feat=input-placeholder
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