blocks|key|3254293|text|是Unicode+Character+'ZERO+WIDTH+SPACE'+(U%2B200B)。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|3254294|3254295|此字符用于换行控制；它没有宽度，但它存在于两个字符之间并不能防止对齐时增加字母间距|blockquote|3254296|3254297|3254298|根据给定的代码示例，实体在此上下文中完全是多余的。它一定是偶然插入的，最有可能的原因是有缺陷的编辑器试图使用空格或高亮显示做一些聪明的事情，或者终端用户使用键盘语言，其中该字符是本机使用的，例如阿拉伯语。|3254299|entityMap|0|LINK|mutability|MUTABLE|url|http://www.fileformat.info/info/unicode/char/200b/index.htm^0|1|19|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|T|8|@]|9|@$A|U|B|V|1|W]]|C|$]]|$1|D|3|-4|5|6|7|X|8|@]|9|@]|C|$]]|$1|E|3|F|5|G|7|Y|8|@]|9|@]|C|$]]|$1|H|3|-4|5|6|7|Z|8|@]|9|@]|C|$]]|$1|I|3|-4|5|6|7|10|8|@]|9|@]|C|$]]|$1|J|3|K|5|6|7|11|8|@]|9|@]|C|$]]|$1|L|3|-4|5|6|7|12|8|@]|9|@]|C|$]]]|M|$N|$5|O|P|Q|C|$R|S]]]]

It's the <a href="http://www.fileformat.info/info/unicode/char/200b/index.htm" rel="noreferrer">Unicode Character 'ZERO WIDTH SPACE' (U+200B)</a>.

<blockquote>
 this character is intended for line break control; it has no width, but its presence between two characters does not prevent increased letter spacing in justification
</blockquote>

As per the given code sample, the entity is entirely superfluous in this context. It must be inserted by some accident, most likely by a buggy editor trying to do smart things with whitespace or highlighting, or an enduser using a keyboard language wherein this character is natively been used, such as Arabic.

blocks|key|308789|text|ZERO+WIDTH+SPACE。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|308790|我将它用作“空”表单元格的内容。不过，我不知道它在<script>标记中做了什么。|308791|entityMap^0|0|G|0|P|8|0^^$0|@$1|2|3|4|5|6|7|J|8|@$9|K|A|L|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|M|8|@$9|N|A|O|B|C]]|D|@]|E|$]]|$1|H|3|-4|5|6|7|P|8|@]|D|@]|E|$]]]|I|$]]

<code>ZERO WIDTH SPACE</code>.

I've used it as content for "empty" table cells. No idea what it's doing in a <code>&lt;script&gt;</code> tag, though.

blocks|key|303572|text|我让这些字符出现在我不想要的脚本中。我之所以注意到这一点，是因为它破坏了我的HTML/CSS视觉格式化:它生成了一个新的文本框。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|303573|我很确定有个buggy编辑器在添加它们...在我的例子中，我怀疑Komodo+Edit适用于Mac。|303574|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|$]]

I have these characters show up in scripts where I do not desire them. I noticed because it ruins my HTML/CSS visual formatting : it makes a new text box.

Pretty sure a buggy editor is adding them... I suspect Komodo Edit for the Mac, in my case.

blocks|key|3254392|text|使用DOM操作函数(如.before()和.after()+)使用jQuery添加元素时，将插入宽度为零的空格字符|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3254393|当我在文档末尾添加隐藏的模式对话框框架时，我就遇到了这个问题，然后发现宽度为零的空格把布局弄乱了，增加了不需要的空格。|3254394|快速的解决办法是在页脚之前插入它，而不是在它之后。不管怎么说，它是隐藏的。|3254395|我在jQuery中找不到任何这样做的东西：|3254396|https://github.com/jquery/jquery/blob/master/src/manipulation.js|offset|length|3254397|所以可能是浏览器添加了它。|3254398|entityMap|0|LINK|mutability|MUTABLE|url^0|0|0|0|0|0|1S|0|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|V|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|W|8|@]|9|@]|A|$]]|$1|F|3|G|5|6|7|X|8|@]|9|@]|A|$]]|$1|H|3|I|5|6|7|Y|8|@]|9|@$J|Z|K|10|1|11]]|A|$]]|$1|L|3|M|5|6|7|12|8|@]|9|@]|A|$]]|$1|N|3|-4|5|6|7|13|8|@]|9|@]|A|$]]]|O|$P|$5|Q|R|S|A|$T|I]]]]

The ZERO WIDTH SPACE character is inserted when you use jQuery to add elements using DOM manipulation functions like .before() and .after() 

I've run into this when adding hidden modal dialog frames at the end of my document and then finding that the ZERO WIDTH SPACE screws up the layout down there, adding unwanted space. 

The quick fix was to insert it before the footer, not after it. Its hidden anyway.

I can't find anything in jQuery that does this:

<a href="https://github.com/jquery/jquery/blob/master/src/manipulation.js" rel="nofollow">https://github.com/jquery/jquery/blob/master/src/manipulation.js</a>

So it might be the browser that adds it.

blocks|key|3040368|text|我带着同样的问题来到这里，然后自己解决了这个问题。这个奇怪的字符出现在我的HTML中。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3040369|这个问题很可能是您的代码编辑器造成的。我使用Espresso，有时会遇到这样的问题。|3040370|要修复它，只需突出显示受影响的代码，然后转到菜单并单击“转换为数字实体”。你会看到这个字符的数值出现；只需删除它，它就永远消失了。|3040371|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|H|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|I|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|J|8|@]|9|@]|A|$]]|$1|F|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|G|$]]

I landed here with the same issue, then figured it out on my own. This weird character was appearing with my HTML.

The issue is most likely your code editor. I use Espresso and sometimes run into issues like this. 

To fix it, simply highlight the affected code, then go to the menu and click "convert to numeric entities". You'll see the numeric value of this character appear; simply delete it and it's gone forever.

blocks|key|305815|text|如果要在编辑器中搜索这些不可见字符并使其可见，可以使用正则表达式搜索非ascii字符。尝试搜索[%5E\x00-\x7F]。在IntelliJ+IDEA中进行了测试。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|305816|entityMap^0|1B|C|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|K|8|@]|D|@]|E|$]]]|G|$]]

If you want to search for these invisible characters in your editor and make them visible, you can use a Regular Expression searching for non-ascii characters.
Try searching for <code>[^\x00-\x7F]</code>.
Tested in IntelliJ IDEA.

blocks|key|303627|text|在我将html文件头中的字符集设置为UTF-8之前，它一直显示一些奇怪的字符(â€<)。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|303628|<meta+http-equiv="content-type"+content="text/html;+charset=UTF-8">|code-block|syntax|javascript|303629|或者对于HTML5：|303630|<meta+charset="UTF-8">|303631|它现在是透明的，但当我使用检查器时，它仍然显示在html中。|303632|从页面中删除所有脚本也不会将其删除。|303633|我测试了一下chrome和IE。|303634|entityMap^0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|T|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|U|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|V|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|W|8|@]|9|@]|A|$]]|$1|M|3|N|5|6|7|X|8|@]|9|@]|A|$]]|$1|O|3|P|5|6|7|Y|8|@]|9|@]|A|$]]|$1|Q|3|-4|5|6|7|Z|8|@]|9|@]|A|$]]]|R|$]]

It was displaying some weird characters (â€‹) 
until I set the charset to UTF-8 in the head of the html file

<pre><code>&lt;meta http-equiv="content-type" content="text/html; charset=UTF-8"&gt;
</code></pre>

or for HTML5:

<pre><code>&lt;meta charset="UTF-8"&gt;
</code></pre>

It it is now transparent but still shows in the html when I use the inspector.

Removing all the scripts from the page didn't remove it either.

I tested it for chrome and IE.

blocks|key|3040414|text|如果您在来源中看到这些信息，请注意，可能是有人试图提取文本文档的指纹，以揭示谁在泄露信息。这也可能是通过在逐个字节的级别上使相同的外观信息不同来绕过垃圾邮件过滤器的企图。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3040415|如果您有兴趣了解更多信息，请参阅关于减轻指纹识别的my+article。|offset|length|3040416|entityMap|0|LINK|mutability|MUTABLE|url|https://www.zachaysan.com/writing/2017-12-30-zero-width-characters^0|0|P|A|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|O|8|@]|9|@$D|P|E|Q|1|R]]|A|$]]|$1|F|3|-4|5|6|7|S|8|@]|9|@]|A|$]]]|G|$H|$5|I|J|K|A|$L|M]]]]

If you're seeing these in a source be aware that it may be someone attempting to fingerprint text documents to reveal who is leaking information. It also may be an attempt to bypass a spam filter by making the same looking information different on a byte-by-byte level.

See <a href="https://www.zachaysan.com/writing/2017-12-30-zero-width-characters" rel="nofollow noreferrer">my article</a> on mitigating fingerprinting if you're interested in learning more.

What does the character code (HTML) <code>&amp;#8203;</code>? I found it in one of my jQuery scripts and wondered what it was..

Thanks.

Edit:

Here is the script it was in (it was added to the end, found it in Firebug)

<pre><code>&lt;script src="http://code.jquery.com/jquery-latest.js" type="text/javascript"&gt;&lt;/script&gt;
&lt;script type="text/javascript"&gt;
var $jnyh = jQuery.noConflict();


$jnyh(function() {
 $jnyh("#title-nyh").click(function() {
 $jnyh(".show-hide-nyh").slideDown("slow");
 }, function() { 
 if(!$jnyh(this).data('pinned'))
 $jnyh(".show-hide-nyh").slideUp("slow");
 });
 $jnyh("#title-nyh").click(function() {
 $jnyh(this).parent().toggleClass("title-btm-brdr");
 $jnyh(this).toggleClass("chev-up-result");
 var pin = $jnyh(this).data('pinned');
 $jnyh(this).data('pinned', !pin);
 if(pin) $jnyh(".show-hide-nyh").slideUp("slow"); 
 });
});​&amp;#8203;
&lt;/script&gt;
</code></pre>

What's HTML character code 8203?

IntelliJ IDEA

jQuery

HTML5

什么是字符代码(HTML) &#8203;？我在我的一个jQuery脚本中找到了它，并想知道它是什么。谢谢。编辑：这是它所在的脚本(它被添加到最后，在Firebug中找到它)<script src="http://code.jquery.com/jquery-latest.js" type="text/javascri...

问什么是HTML字符代码8203？
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