418 lines
9.0 KiB
JSON
418 lines
9.0 KiB
JSON
{
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"title":"Viewport units: vw, vh, vmin, vmax",
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"description":"Length units representing a percentage of the current viewport dimensions: width (vw), height (vh), the smaller of the two (vmin), or the larger of the two (vmax).",
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"spec":"https://www.w3.org/TR/css3-values/#viewport-relative-lengths",
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"status":"cr",
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"links":[
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{
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"url":"https://css-tricks.com/viewport-sized-typography/",
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"title":"Blog post"
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},
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{
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"url":"https://github.com/saabi/vminpoly",
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"title":"Polyfill"
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},
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{
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"url":"https://github.com/rodneyrehm/viewport-units-buggyfill",
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"title":"Buggyfill - Polyfill that fixes buggy support"
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},
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{
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"url":"https://blog.rodneyrehm.de/archives/34-iOS7-Mobile-Safari-And-Viewport-Units.html",
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"title":"Back-Forward issue blog post"
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},
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{
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"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/6514497-vmax-unit",
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"title":"Microsoft Edge feature request on UserVoice"
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}
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],
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"bugs":[
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{
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"description":"In Firefox there is a [documented bug](https://bugzilla.mozilla.org/show_bug.cgi?id=1221721) where `100vh` has no effect on any element with its `display` property set to `table`."
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},
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{
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"description":"Chrome does not support viewport units for border widths, column gaps, transform values, box shadows or in `calc()` until version 34."
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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 for border widths, column gaps, transform values, box shadows or in `calc()`."
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},
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{
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"description":"iOS 7 Safari sets viewport unit values to 0 if the page has been left and is returned to after 60 seconds."
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},
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{
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"description":"Internet Explorer 9 in print-mode interprets `vh` as pages. `30vh` = 30 pages"
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},
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{
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"description":"iOS 7 Safari recalculates widths set in `vh` as `vw`, and heights set in `vw` as `vh`, when orientation changes."
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},
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{
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"description":"In IE 10 and 11, using `vw` units with 3D transforms causes unexpected behavior"
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},
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{
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"description":"Currently all browsers but Firefox incorrectly consider 100vw to be the entire page width, including vertical scroll bar, which can [cause a horizontal scroll bar](https://codepen.io/anon/pen/ZGYNWZ) when `overflow: auto` is set."
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},
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{
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"description":"IE9 does not calculate viewport units correctly when the browser or OS is zoomed."
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},
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{
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"description":"In IE9 inside an iframe, viewport units will be calculated in the context of the parent window and not the iframe."
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},
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{
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"description":"On iOS Safari and Chrome for Android, [`100vw` `100vh` are sized to the 'largest possible viewport' where they may be larger than `<html> 100%` being the 'smallest possible viewport'](https://developers.google.com/web/updates/2016/12/url-bar-resizing), all during the user's scrolling. On Safari for iPad with the sidebar on, the 'largest possible viewport' may be when the content is scrolled until it fills all the area beneath the blurred sidebar."
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},
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{
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"description":"IE and Edge truncate all units to 2 decimals places. Lengths coming from fractions may not be rendered with the expected value."
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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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"6":"n",
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"7":"n",
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"8":"n",
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"9":"a #1",
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"10":"a #2",
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"11":"a #2"
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},
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"edge":{
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"12":"a #2",
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"13":"a #2",
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"14":"a #2",
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"15":"a #2",
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"16":"y",
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"17":"y",
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"18":"y",
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"76":"y"
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},
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"firefox":{
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"2":"n",
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"3":"n",
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"3.5":"n",
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"3.6":"n",
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"4":"n",
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"5":"n",
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"6":"n",
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"7":"n",
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"8":"n",
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"9":"n",
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"10":"n",
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"11":"n",
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"12":"n",
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"13":"n",
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"14":"n",
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"15":"n",
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"16":"n",
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"17":"n",
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"18":"n",
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"19":"y",
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"20":"y",
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"21":"y",
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"22":"y",
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"23":"y",
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"24":"y",
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"25":"y",
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"26":"y",
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"27":"y",
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"28":"y",
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"29":"y",
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"30":"y",
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"31":"y",
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"32":"y",
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"33":"y",
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"34":"y",
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"35":"y",
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"36":"y",
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"37":"y",
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"38":"y",
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"39":"y",
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"40":"y",
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"41":"y",
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"42":"y",
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"43":"y",
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"44":"y",
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"45":"y",
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"46":"y",
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"47":"y",
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"48":"y",
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"49":"y",
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"50":"y",
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"51":"y",
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"52":"y",
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"53":"y",
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"54":"y",
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"55":"y",
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"56":"y",
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"57":"y",
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"58":"y",
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"59":"y",
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"60":"y",
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"61":"y",
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"62":"y",
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"63":"y",
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"64":"y",
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"65":"y",
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"66":"y",
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"67":"y",
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"68":"y",
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"69":"y",
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"70":"y",
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"71":"y"
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},
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"chrome":{
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"4":"n",
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"5":"n",
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"6":"n",
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"7":"n",
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"8":"n",
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"9":"n",
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"10":"n",
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"11":"n",
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"12":"n",
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"13":"n",
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"14":"n",
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"15":"n",
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"16":"n",
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"17":"n",
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"18":"n",
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"19":"n",
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"20":"a #2",
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"21":"a #2",
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"22":"a #2",
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"23":"a #2",
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"24":"a #2",
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"25":"a #2",
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"26":"y",
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"27":"y",
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"28":"y",
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"29":"y",
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"30":"y",
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"31":"y",
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"32":"y",
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"33":"y",
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"34":"y",
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"35":"y",
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"36":"y",
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"37":"y",
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"38":"y",
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"39":"y",
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"40":"y",
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"41":"y",
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"42":"y",
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"43":"y",
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"44":"y",
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"45":"y",
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"46":"y",
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"47":"y",
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"48":"y",
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"49":"y",
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"50":"y",
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"51":"y",
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"52":"y",
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"53":"y",
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"54":"y",
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"55":"y",
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"56":"y",
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"57":"y",
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"58":"y",
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"59":"y",
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"60":"y",
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"61":"y",
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"62":"y",
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"63":"y",
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"64":"y",
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"65":"y",
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"66":"y",
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"67":"y",
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"68":"y",
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"69":"y",
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"70":"y",
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"71":"y",
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"72":"y",
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"73":"y",
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"74":"y",
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"75":"y",
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"76":"y",
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"77":"y",
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"78":"y",
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"79":"y",
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"80":"y"
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},
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"safari":{
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"3.1":"n",
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"3.2":"n",
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"4":"n",
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"5":"n",
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"5.1":"n",
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"6":"a #2",
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"6.1":"y",
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"7":"y",
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"7.1":"y",
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"8":"y",
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"9":"y",
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"9.1":"y",
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"10":"y",
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"10.1":"y",
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"11":"y",
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"11.1":"y",
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"12":"y",
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"12.1":"y",
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"13":"y",
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"TP":"y"
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},
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"opera":{
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"9":"n",
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"9.5-9.6":"n",
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"10.0-10.1":"n",
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"10.5":"n",
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"10.6":"n",
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"11":"n",
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"11.1":"n",
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"11.5":"n",
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"11.6":"n",
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"12":"n",
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"12.1":"n",
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"15":"y",
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"16":"y",
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"17":"y",
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"18":"y",
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"19":"y",
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"20":"y",
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"21":"y",
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"22":"y",
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"23":"y",
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"24":"y",
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"25":"y",
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"26":"y",
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"27":"y",
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"28":"y",
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"29":"y",
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"30":"y",
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"31":"y",
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"32":"y",
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"33":"y",
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"34":"y",
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"35":"y",
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"36":"y",
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"37":"y",
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"38":"y",
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"39":"y",
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"40":"y",
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"41":"y",
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"42":"y",
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"43":"y",
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"44":"y",
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"45":"y",
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"46":"y",
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"47":"y",
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"48":"y",
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"49":"y",
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"50":"y",
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"51":"y",
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"52":"y",
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"53":"y",
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"54":"y",
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"55":"y",
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"56":"y",
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"57":"y",
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"58":"y",
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"60":"y",
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"62":"y"
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},
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"ios_saf":{
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"3.2":"n",
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"4.0-4.1":"n",
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"4.2-4.3":"n",
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"5.0-5.1":"n",
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"6.0-6.1":"a #2 #3",
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"7.0-7.1":"a #3",
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"8":"y",
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"8.1-8.4":"y",
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"9.0-9.2":"y",
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"9.3":"y",
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"10.0-10.2":"y",
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"10.3":"y",
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"11.0-11.2":"y",
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"11.3-11.4":"y",
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"12.0-12.1":"y",
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"12.2-12.3":"y",
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"13":"y"
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},
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"op_mini":{
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"all":"n"
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},
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"android":{
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"2.1":"n",
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"2.2":"n",
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"2.3":"n",
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"3":"n",
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"4":"n",
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"4.1":"n",
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"4.2-4.3":"n",
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"4.4":"y",
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"4.4.3-4.4.4":"y",
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"76":"y"
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},
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"bb":{
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"7":"n",
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"10":"y"
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},
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"op_mob":{
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"10":"n",
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"11":"n",
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"11.1":"n",
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"11.5":"n",
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"12":"n",
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"12.1":"n",
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"46":"y"
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},
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"and_chr":{
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"76":"y"
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},
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"and_ff":{
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"68":"y"
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},
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"ie_mob":{
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"10":"a #2",
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"11":"a #2"
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},
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"and_uc":{
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"12.12":"y"
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},
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"samsung":{
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"4":"y",
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"5.0-5.4":"y",
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"6.2-6.4":"y",
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"7.2-7.4":"y",
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"8.2":"y",
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"9.2":"y"
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},
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"and_qq":{
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"1.2":"y"
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},
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"baidu":{
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"7.12":"y"
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},
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"kaios":{
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"2.5":"y"
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}
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},
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"notes":"",
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"notes_by_num":{
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"1":"Partial support in IE9 refers to supporting \"vm\" instead of \"vmin\".",
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"2":"Partial support refers to not supporting the \"vmax\" unit. ",
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"3":"Partial support in iOS7 is due to buggy behavior of the \"vh\" unit (see workarounds: [1](https://gist.github.com/pburtchaell/e702f441ba9b3f76f587), [2](https://gist.github.com/BenMorel/e9e34c08360ebbbd0634))."
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},
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"usage_perc_y":94.41,
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"usage_perc_a":2.1,
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"ucprefix":false,
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"parent":"",
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"keywords":"vm,viewport-percentage",
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"ie_id":"cssvmaxunit",
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"chrome_id":"",
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"firefox_id":"",
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"webkit_id":"",
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"shown":true
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}
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