blocks|key|501961|text|您应该非常熟悉。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|501962|它是一个优秀的浏览器兼容性资源。|501963|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|F|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|G|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|H|8|@]|9|@]|A|$]]]|E|$]]

You should become very familiar with <a href="http://quirksmode.org/compatibility.html" rel="nofollow">www.quirksmode.org</a>. 

It is an excellent browser-compatibility resource.

blocks|key|1602050|text|我不认为你会找到一个实际的列表，但是你可以浏览source+code并阅读关于解决某些浏览器不一致的某些代码的评论。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1602051|示例|1602052|//+check+if+target+is+a+textnode+(safari)
if+(+event.target.nodeType+===+3+)+{
++++event.target+=+event.target.parentNode;
}|code-block|syntax|javascript|1602053|1602054|//+safari+subtracts+parent+border+width+here+which+is+5px
this.supportsFixedPosition+=+(checkDiv.offsetTop+===+20+%7C%7C+checkDiv.offsetTop+===+15);|1602055|entityMap|0|LINK|mutability|MUTABLE|url|https://ajax.googleapis.com/ajax/libs/jquery/1.4.4/jquery.js^0|N|B|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|V|8|@]|9|@$A|W|B|X|1|Y]]|C|$]]|$1|D|3|E|5|6|7|Z|8|@]|9|@]|C|$]]|$1|F|3|G|5|H|7|10|8|@]|9|@]|C|$I|J]]|$1|K|3|-4|5|6|7|11|8|@]|9|@]|C|$]]|$1|L|3|M|5|H|7|12|8|@]|9|@]|C|$I|J]]|$1|N|3|-4|5|6|7|13|8|@]|9|@]|C|$]]]|O|$P|$5|Q|R|S|C|$T|U]]]]

I don't think you'll find an actual list, but you can browse the <a href="https://ajax.googleapis.com/ajax/libs/jquery/1.4.4/jquery.js" rel="nofollow noreferrer">source code</a> and read the comments about certain code solving certain browser inconsistencies.
<h3>Examples</h3>
<pre><code>// check if target is a textnode (safari)
if ( event.target.nodeType === 3 ) {
 event.target = event.target.parentNode;
}
</code></pre>
<hr />
<pre><code>// safari subtracts parent border width here which is 5px
this.supportsFixedPosition = (checkDiv.offsetTop === 20 || checkDiv.offsetTop === 15);
</code></pre>

blocks|key|2568938|text|举几个例子，在不支持document.getElementsByClassName方法(IE8和更早版本)的浏览器中，jQuery实现了通过类名选择DOM元素。例如，您可以使用以下命令选择类为myClass的所有元素：$('.myClass')。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|2568939|jQuery对XMLHttpRequest对象有几个有用的包装器，不同浏览器对它的支持各不相同(请参阅here)。|2568940|此外，当涉及到DOM操作时，jQuery会处理一些不同之处，比如修改元素的属性或向元素添加类，据我回忆，这在Firefox/IE中略有不同。|2568941|entityMap|0|LINK|mutability|MUTABLE|url|http://en.wikipedia.org/wiki/XMLHttpRequest|1|http://api.jquery.com/category/ajax/^0|A|V|2O|7|31|D|0|7|E|0|1F|4|1|0|0^^$0|@$1|2|3|4|5|6|7|T|8|@$9|U|A|V|B|C]|$9|W|A|X|B|C]|$9|Y|A|Z|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|10|8|@]|D|@$9|11|A|12|1|13]|$9|14|A|15|1|16]]|E|$]]|$1|H|3|I|5|6|7|17|8|@]|D|@]|E|$]]|$1|J|3|-4|5|6|7|18|8|@]|D|@]|E|$]]]|K|$L|$5|M|N|O|E|$P|Q]]|R|$5|M|N|O|E|$P|S]]]]

To name a few, jQuery implements selecting DOM elements by class name in browsers that do not support the method <code>document.getElementsByClassName</code> (which is IE 8 and previous). So for example, you can select all of the elements with the class <code>myClass</code> with the following: <code>$('.myClass')</code>.

jQuery has several useful wrappers around the <a href="http://en.wikipedia.org/wiki/XMLHttpRequest" rel="nofollow">XMLHttpRequest</a> object, which has varying support across browsers (see <a href="http://api.jquery.com/category/ajax/" rel="nofollow">here</a>).

Also, jQuery takes care of some differences when it comes to DOM manipulation, like modifying attributes of elements or adding classes to elements, which as I recall, is slightly different in Firefox/IE.

blocks|key|502018|text|下面列出了我所知道的几件事：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|502019|IE有一个不同于Mozilla和一些实现DOM2事件模型的Gecko浏览器的事件模型。通过引入jQuery事件模型，jQuery对证明浏览器独立性做了很好的调整。|502020|IE不支持css3，而Mozilla支持css3。jQuery选择器独立于浏览器选择器行为。|502021|Mozilla确实支持像document.getElementsByClassName这样的方法，但是ie不支持。但是jQuery类选择器也解决了这个问题。|502022|IE和Mozilla有不同的styleFloat属性，比如Mozilla的cssFloat，它的jQuery为cssFloat提供了唯一确定它的标志。|502023|jQuery还有另一个标志jQuery.boxModel，它告诉用户你的浏览器支持IE+quirks模式或W3C兼容的boxModel。|502024|entityMap^0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|O|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|P|8|@]|9|@]|A|$]]|$1|F|3|G|5|6|7|Q|8|@]|9|@]|A|$]]|$1|H|3|I|5|6|7|R|8|@]|9|@]|A|$]]|$1|J|3|K|5|6|7|S|8|@]|9|@]|A|$]]|$1|L|3|-4|5|6|7|T|8|@]|9|@]|A|$]]]|M|$]]

Few of the things that i know are listed here:

IE has a different Event Model than Mozilla and some of the Gecko Borwsers which implement DOM2 Event Model. jQuery does a good justfication of provding browser independence by introducing jQuery Event Model.

IE does not supports css3 whereas Mozilla has support for css3. The jQuery selectors are independent of browsers selectors behaviour.

Mozilla does support method like document.getElementsByClassName however ie doesnt. But jQuery class selector prvents this issue as well. 

IE and Mozilla has different properties for floats for ie its styleFloat for Mozilla its cssFloat jQuery gives us flag for cssFloat to uniquely determine it.

jQuery also has another flag jQuery.boxModel which tells users which boxModel your browser is supporting IE quirks mode or W3C compliant.

blocks|key|4166108|text|我使用jQuery已经有一段时间了，我知道它的26kb是一个非常小的价格，就像许多其他文件一样，只需要下载一次(之后它会从缓存中加载)。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4166109|1.插件的巨大列表|offset|length|style|BOLD|4166110|有许多用于不同解决方案的插件:图库、验证、ajax、文件处理等。您也可以使用插件来修复CSS问题|4166111|2.浏览器兼容性|4166112|虽然我找不到jQuery应用的修复的文档列表，但你可以随时查看源代码，它有很好的文档记录和划分，所以你可以看到发生了什么。|4166113|3.一致的|4166114|当你在不同的项目上工作时，如果你继续使用一个库，你每次都会从中学到更多，工作起来也会更快。|4166115|4.社区|4166116|jQuery可能是javascript库中最大的一个，它有很多优点，比如支持、教程和插件。|4166117|5.+DOM操作|4166118|jQuery+sintax使得操作DOM变得非常容易，而不是document.GetElementsByTagName("tag")，你可以做$("tag")|4166119|Bottomline|4166120|我可以说jQuery为我节省了很多时间，并且让事情变得更容易处理，我强烈建议使用一个库。|4166121|entityMap^0|0|0|9|0|0|0|8|0|0|0|5|0|0|0|4|0|0|0|8|0|0|0|A|0|0^^$0|@$1|2|3|4|5|6|7|15|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|16|8|@$D|17|E|18|F|G]]|9|@]|A|$]]|$1|H|3|I|5|6|7|19|8|@]|9|@]|A|$]]|$1|J|3|K|5|6|7|1A|8|@$D|1B|E|1C|F|G]]|9|@]|A|$]]|$1|L|3|M|5|6|7|1D|8|@]|9|@]|A|$]]|$1|N|3|O|5|6|7|1E|8|@$D|1F|E|1G|F|G]]|9|@]|A|$]]|$1|P|3|Q|5|6|7|1H|8|@]|9|@]|A|$]]|$1|R|3|S|5|6|7|1I|8|@$D|1J|E|1K|F|G]]|9|@]|A|$]]|$1|T|3|U|5|6|7|1L|8|@]|9|@]|A|$]]|$1|V|3|W|5|6|7|1M|8|@$D|1N|E|1O|F|G]]|9|@]|A|$]]|$1|X|3|Y|5|6|7|1P|8|@]|9|@]|A|$]]|$1|Z|3|10|5|6|7|1Q|8|@$D|1R|E|1S|F|G]]|9|@]|A|$]]|$1|11|3|12|5|6|7|1T|8|@]|9|@]|A|$]]|$1|13|3|-4|5|6|7|1U|8|@]|9|@]|A|$]]]|14|$]]

I have been working with jQuery for a while now and i can tell that the 26kb that it weights is a really small price, and like many other files only needs to be downloaded once (after that it gets loaded from the cache). 

1. [Huge list of plug ins]

There are many plug ins for different solutions: galleries, validation, ajax, file handling, etc. Also you can use plug ins to [fix CSS problems]

2. Browser compatibility

Although i was not able to find a documented list of the fixes jQuery applies, you can always go over [the source code], it is very well documented and divided so you can see what happens when.

3. Consistent

While you work on different projects, if you keep using a library, you will learn more from it each time and work faster.

4. Community

jQuery probably the biggest in javascript libraries, and that comes with a lot of advantages like support, tutorials and plug ins.

5. DOM Manipulation

jQuery sintax makes it very easy to manipulate the DOM, instead of document.GetElementsByTagName("tag") you can do $("tag")

Bottomline

I can tell jQuery has saved a LOT of time for me, and made things easier to deal with, i would totally recommend using a library.

I'm currently on the fence about using or not using jquery. I've spent hours researching the pros and cons of using jquery (or any library for that matter).

One of the big selling points of jquery is that it frees a developer from worrying about browser incompatibilities. I've tried to find any documentation on exactly which incompatibilities it overcomes. So far I haven't found any. Can anyone help me out with this.

What browser incompatibilities does jquery solve?

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我现在对使用或不使用jquery犹豫不决。我花了几个小时研究使用jquery (或任何相关的库)的优缺点。jquery的一大卖点是，它使开发人员不必担心浏览器不兼容。我试图找到关于它克服了哪些不兼容性的文档。到目前为止，我还没有找到。有人能帮我解决这个问题吗。

问jquery解决了哪些浏览器不兼容问题？
EN

回答 5

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