browser-support | 易学教程

Browser support for eTags

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问题 I'm working on getting my site to support the eTag/If-None-Match browser cache, but I'm not sure which browsers do/don't support it. Can anyone point me to a list? I can't imagine it's universal, but I haven't found anything that supports that claim. cheers, Mike 回答1: If-None-Match was Specified in HTTP 1.1 (June 1999): http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html http://en.wikipedia.org/wiki/Hypertext_Transfer_Protocol According to Wikipedia: By March 1996, pre-standard HTTP/1.1

Safari CSS word-break: keep-all; is not working

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问题 I see that in the Safari browser the CSS word-break property which I need is not being used. Why ? 回答1: Update : Safari now supports keep-all as a value. As of Safari 9. word-break property is partially supported in Safari , i.e it only supports word-break if you use break-all as a value and not keep-all ... As you can see here (Read the note at very bottom) which says Note: Partial support refers to supporting the "break-all" value, but not the "keep-all" value. Bug Report 43917 - CSS3 'word

How to check if website has http/2 protocol support

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问题 There is a lot of topic about http/2 protocol, but I wonder if there is a working website with this protocol. i.e. We can decide to use http:// or https:// but how to write a http/2 request? I am aware that this protocol depends on server capability, but can not find a way to check if some website e.g. google.com has http2 support enabled. As I can see in this picture, all modern browsers support this protocol. I have not seen any link that could look like a new generation protocol. My

Why IE doesn't support my CSS positioning

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问题 I positioned links on one image which has 3 buttons, (something like this). The positioning works with Firefox and Chrom, but with my "favorite" IE(11).. well.. I see the link on the image as an invisible very small character. If I was a user, I wouldn't notice it and think the link isn't working. I can't publish my real code, but I will change the names in it. HTML (there is a "lps" class div before this code): <img src="http://example.ag/nts/images/category/subcat/btns.jpg" style="margin

Does IE6 support any HTML5 elements?

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问题 Does IE6 support any HTML5 elements? <!DOCTYPE HTML> <header> <section> <header> <nav> <canvas> <video> 回答1: It barely supports HTML4.... ha :) No it doesn't without some fancy Javascript HTML5 emulating script type-of-thing. Edit Such as this one. 回答2: It depends on what you mean by "HTML5 elements." In that most tags commonly used on the Web are included as part of HTML5, yes, it supports the vast majority of HTML5. If you mean new elements introduced in HTML5 that had never been used

Browser support for margin: auto

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问题 Like many designers I use margin: 0 auto; to center an element. While trying to check the browser support for this feature at http://www.caniuse.com I was unable to find anything related. Is there a browser compatibility matrix for this feature? 回答1: Although you probably don't want to adjust your code to work in antique browsers that don't support margin: 0 auto; , but since you asked: Support started only with IE6. If you want to support earlier browsers, you can add text-align: center; to

Html video autoplay issue for all browsers

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问题 I have an issue with autoplaying html video on mobile browsers. At first, I did it with autoplay and playsinline attributes. It worked but a few days ago it stopped working on mobile devices. First time I've tried, it was not working on mobile safari actually but was ok for CriOs (chrome in ios). Now I tried some solutions and noticed those : -If I use MP4 video for my source, it works on desktop Chrome and Safari. -If I use WebM, it works on just Desktop Chrome. -I've tried to play the video

What browsers currently implement support for the HTML5 MediaController? [closed]

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问题 Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed last year . So my Google fu has failed me. Is there a know list of browsers (including beta versions) that support the HTML5 MediaController object? 回答1: No browsers support MediaController. Safari claims support, but it doesn't work well enough to actually use. Chrome have removed default support and put it behind an

Does IE6 support any HTML5 elements?

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How to disable chrome from opening up “new window” and “tabs”?

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问题 Is their a way to keep all pages on the internet in a single window through Chromes browser settings? or a addon/plugin that I can do this with? I don't want web pages to open up in new tabs and/or new windows when I click on some links. Let me know if anyone has any suggestions!, Thanks!! <a href="http://www.bing.com" target="_blank">Opens a New Tab!</a> <i>Thtats not what i want..., I want this link to stay in same url bar.</i> <p>Like this!</p> <a class="click" href="http://www.bing.com"