blocks|key|4473334|text|AFAIK，这个行为是硬编码到Firefox中的。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4473335|您可以尝试在页面加载时将每个表单元素设置为其defaultValue。|offset|length|style|CODE|4473336|entityMap^0|0|M|C|0^^$0|@$1|2|3|4|5|6|7|J|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|K|8|@$D|L|E|M|F|G]]|9|@]|A|$]]|$1|H|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|I|$]]

AFAIK, this behaviour is hard-coded into Firefox.

You could try setting each form element to its <code>defaultValue</code> on page load.

blocks|key|2873400|text|向每个选择标记添加autocomplete="off"超文本标记语言属性。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|2873401|(来源：https://stackoverflow.com/a/8258154/260080)|2873402|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/a/8258154/260080^0|9|I|0|4|16|0|0^^$0|@$1|2|3|4|5|6|7|P|8|@$9|Q|A|R|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|S|8|@]|D|@$9|T|A|U|1|V]]|E|$]]|$1|H|3|-4|5|6|7|W|8|@]|D|@]|E|$]]]|I|$J|$5|K|L|M|E|$N|O]]]]

Add <code>autocomplete=&quot;off&quot;</code> HTML attribute to every select tag.
(source: <a href="https://stackoverflow.com/a/8258154/260080">https://stackoverflow.com/a/8258154/260080</a>)

blocks|key|4473531|text|在firefox中，我注意到除非您将select放在表单中，否则"selected“属性将不起作用，因为表单有一个name属性。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4473532|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

In firefox, I've notice that the "selected" attribute will not work unless you place the select inside a form, where the form has a name attribute.

blocks|key|4473479|text|刚刚遇到了同样的问题，相信我，我已经为这个愚蠢的firefox行为挣扎了10多个小时，我有7个下拉框，每个下拉框都会触发一个事件，并填充24个隐藏输入，所以你可以想象有24个错误的输入值选择了正确的选项！我最终找到的解决方案是用Javascript添加下面这行代码来重置表单：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4473480|window.onload+=+function()+{+document.forms['MarkerForm'].reset();+};|code-block|syntax|javascript|4473481|PS:输入的值是从数据库中拉出来的，所以重置表单并不会清空任何值，而是在某种程度上告诉火狐回到地狱的selected=selected选项！|4473482|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

Just had the same issue, believe me it's been more than 10 hours struggling with this stupid firefox behavior, i have 7 dropdowns, each of them will trigger an event and fill in 24 hidden inputs, so you can imagine having the right option selected with 24 wrong input values!!! the solution i finally found is to reset the form with Javascript adding this line of code:

<pre><code>window.onload = function() { document.forms['MarkerForm'].reset(); };
</code></pre>

PS: the inputs have the values pulled from a database, so resetting the form does not empty any value but in a way tells firefox to go back the hell to selected=selected option!

blocks|key|1752734|text|这只是Firefox在刷新时记住你之前的选择。请尝试硬刷新。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1752735|另外，这里也有同样的问题：https://stackoverflow.com/a/1505693/1069232|offset|length|1752736|也可以在这里看到：https://bugzilla.mozilla.org/show_bug.cgi?id=274795|1752737|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/a/1505693/1069232|1|https://bugzilla.mozilla.org/show_bug.cgi?id=274795^0|0|D|17|0|0|9|1F|1|0^^$0|@$1|2|3|4|5|6|7|R|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|S|8|@]|9|@$D|T|E|U|1|V]]|A|$]]|$1|F|3|G|5|6|7|W|8|@]|9|@$D|X|E|Y|1|Z]]|A|$]]|$1|H|3|-4|5|6|7|10|8|@]|9|@]|A|$]]]|I|$J|$5|K|L|M|A|$N|O]]|P|$5|K|L|M|A|$N|Q]]]]

It's just Firefox remembering your previous selection when refreshing. Try a hard refresh instead.

Also, same issue over here: <a href="https://stackoverflow.com/a/1505693/1069232">https://stackoverflow.com/a/1505693/1069232</a>

Also see here: <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=274795" rel="nofollow noreferrer">https://bugzilla.mozilla.org/show_bug.cgi?id=274795</a>

blocks|key|4473961|text|尝试禁用select输入的autocomplete属性...有时浏览器会因此而忽略select|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|4473962|entityMap^0|D|C|15|6|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]|$9|K|A|L|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|M|8|@]|D|@]|E|$]]]|G|$]]

Try to disable <code>autocomplete</code> attribute of select input ... sometimes browser ignore <code>select</code> because of that

blocks|key|1752718|text|我使用的是FF+25.0.1|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1752719|它会忽略selected=""和selected="selected"。|offset|length|style|CODE|1752720|但是，如果我只是简单地尝试selected，该选项将被选中。|1752721|奇怪的(不一致的)行为。我知道selected是有效的HTML5，而且它是最短的格式，但我通常编写的代码也可以验证为格式良好的XML，这样我就可以使用任何XML验证工具以非常严格的方式检查我的结果(并且数据交换非常容易……)|1752722|根据W3C的说法，这些变体在布尔属性上应该是有效的：|1752723|HTML5:++boolAttr=""+%7C+boolAttr="boolAttr"+%7C+boolAttr
XHTML5:+boolAttr=""+%7C+boolAttr="boolAttr"|code-block|syntax|javascript|1752724|我更喜欢第一个，因为它几乎和最后一个(不符合xml+)变体一样短，但应该同时验证为XHTML5和HTML5。所以我希望Mozilla能解决这个问题！|1752725|entityMap^0|0|4|B|G|J|0|D|8|0|F|8|0|0|0|0^^$0|@$1|2|3|4|5|6|7|W|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|X|8|@$D|Y|E|Z|F|G]|$D|10|E|11|F|G]]|9|@]|A|$]]|$1|H|3|I|5|6|7|12|8|@$D|13|E|14|F|G]]|9|@]|A|$]]|$1|J|3|K|5|6|7|15|8|@$D|16|E|17|F|G]]|9|@]|A|$]]|$1|L|3|M|5|6|7|18|8|@]|9|@]|A|$]]|$1|N|3|O|5|P|7|19|8|@]|9|@]|A|$Q|R]]|$1|S|3|T|5|6|7|1A|8|@]|9|@]|A|$]]|$1|U|3|-4|5|6|7|1B|8|@]|9|@]|A|$]]]|V|$]]

I'm using FF 25.0.1

It ignore <code>selected=""</code> and <code>selected="selected"</code>.

But if I simply try <code>selected</code> the option is selected.

Strange (non conformant) behaviour. I know <code>selected</code> is valid HTML5 and it's the shortest form, but I usually write code that also validates as wellformed XML, so that I can use any XML validation tool to check my results in a very strict way (and data exchange is very easy...)

According to W3C, these variants should be valid on boolean attributes:

<pre><code>HTML5: boolAttr="" | boolAttr="boolAttr" | boolAttr
XHTML5: boolAttr="" | boolAttr="boolAttr"
</code></pre>

I prefer the first one, as is it nearly as short as the last (not xml conformant) variant but should validate as both XHTML5 AND HTML5. So I hope, Mozilla will fix it!

blocks|key|1755609|text|在表单属性中包含select，它就可以工作了。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1755610|
<option+selected="selected"+value="Test">Test</option>|code-block|syntax|javascript|1755611|和|1755612|
<form>
+<option+selected="selected"+value="Test">Test</option>
</form>|1755613|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|N|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|O|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|K|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|L|$]]

enclose select in form attribute and it will work.

<pre><code>&lt;!-- will not work in firefox --&gt;
&lt;option selected="selected" value="Test"&gt;Test&lt;/option&gt;
</code></pre>

and

<pre><code>&lt;!-- this will work in firefox --&gt;
&lt;form&gt;
 &lt;option selected="selected" value="Test"&gt;Test&lt;/option&gt;
&lt;/form&gt;
</code></pre>

blocks|key|2873685|text|使用.prop()而不是.attr()|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2873686|This+does+not+work+in+firefox.
++$(+'option[value="myVal"]'+).attr(+'selected',+'selected'+);
use+this+one
++$(+'option[value="myVal"]'+).prop(+'selected',+'selected'+);

In+other+way
++$(+this+).prop(+'selected',+'selected'+);|code-block|syntax|javascript|2873687|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

use .prop() instead of .attr()

<pre><code>This does not work in firefox.
 $( 'option[value="myVal"]' ).attr( 'selected', 'selected' );
use this one
 $( 'option[value="myVal"]' ).prop( 'selected', 'selected' );

In other way
 $( this ).prop( 'selected', 'selected' );
</code></pre>

blocks|key|805605|text|您可以在刷新页面之前在表单上调用.reset()。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|805606|entityMap^0|G|8|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|$]]

You could call <code>.reset()</code> on the form before refreshing the page.

blocks|key|4473612|text|试着给下拉菜单起个名字。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4473613|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

blocks|key|806059|text|名字越好越好|type|unstyled|depth|inlineStyleRanges|entityRanges|data|806060|form+id="UMForm"+name="UMForm"+class="form"|code-block|syntax|javascript|806061|select将采用选定的属性|806062|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

With the name is better
<pre><code>form id=&quot;UMForm&quot; name=&quot;UMForm&quot; class=&quot;form&quot;
</code></pre>
The select will take the selected attribute

blocks|key|2873287|text|如果您更改了select并刷新页面，firefox将恢复您在表单上所做的更改，这就是为什么您会觉得select不起作用。请尝试在新选项卡上打开链接，而不是刷新。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2873288|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

If you change the select and refresh the page firefox will restore your changes on the form, that's why you feel like the select isn't working. Instead of refreshing, try opening the link on a new tab.

blocks|key|1755646|text|对我来说，上面的解决方案都不起作用。如果没有设置，我必须显式设置选择：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1755647|if+(foo.find(':selected').length+===+0)+{
++++$(foo.find('option')[0]).attr('selected',+'selected');
}|code-block|syntax|javascript|1755648|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

For me none of the solutions above worked. I had to explicitly set the selection if none was set:
<pre><code>if (foo.find(':selected').length === 0) {
 $(foo.find('option')[0]).attr('selected', 'selected');
}
</code></pre>

blocks|key|2873709|text|自动补全功能也不适合我。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2873710|这是我使用的jquery编写的javscript修复：|2873711|$('input[type="radio"][selected]').click();|code-block|syntax|javascript|2873712|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|L|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|M|8|@]|9|@]|A|$G|H]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

autocomplete wasn't working for me either.

This is the javscript fix written in jquery that i use:

<pre><code>$('input[type="radio"][selected]').click();
</code></pre>

blocks|key|2873759|text|要显示下拉菜单的第一项，请使用ProjectName.ClearSelection();|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|2873760|在您的设计页面中放置行，以便在所有浏览器上工作，并在页面加载时将其放在代码后台。|2873761|$(document).ready(function+()+{
++++$("#content_ProjectName+option[value='1']").prop("selected",+true);
});|code-block|syntax|javascript|2873762|entityMap^0|F|T|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@$9|P|A|Q|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|R|8|@]|D|@]|E|$]]|$1|H|3|I|5|J|7|S|8|@]|D|@]|E|$K|L]]|$1|M|3|-4|5|6|7|T|8|@]|D|@]|E|$]]]|N|$]]

To show the first item of the dropdown, use <code>ProjectName.ClearSelection();</code>

Put lines in your design page to work on all browser And also put this on code behind on page load.

<pre><code>$(document).ready(function () {
 $("#content_ProjectName option[value='1']").prop("selected", true);
});
</code></pre>

blocks|key|4473928|text|<option+selected="selected"+value="Test">Test</option>|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|4473929|在这种情况下，这对Chrome和Firefox都有效。|unstyled|4473930|$('option[value="Test"]').prop('selected',+true);|4473931|我使用的是.attr()而不是.prop()|offset|length|style|CODE|4473932|entityMap^0|0|0|0|5|7|F|7|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@]|A|$B|C]]|$1|D|3|E|5|F|7|R|8|@]|9|@]|A|$]]|$1|G|3|H|5|6|7|S|8|@]|9|@]|A|$B|C]]|$1|I|3|J|5|F|7|T|8|@$K|U|L|V|M|N]|$K|W|L|X|M|N]]|9|@]|A|$]]|$1|O|3|-4|5|F|7|Y|8|@]|9|@]|A|$]]]|P|$]]

<pre><code>&lt;option selected="selected" value="Test"&gt;Test&lt;/option&gt;
</code></pre>

In this case this worked both for Chrome and Firefox.

<pre><code>$('option[value="Test"]').prop('selected', true);
</code></pre>

I was using <code>.attr()</code> instead of <code>.prop()</code>

blocks|key|2873635|text|这是我的解决方案：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2873636|var+select+=+document.getElementById('my_select');
for(var+i=0;+i+<+select.options.length;+i%2B%2B){
++++select.options[i].selected+=+select.options[i].attributes.selected+!=+undefined;
}|code-block|syntax|javascript|2873637|我只是把它放在页面的顶部(设置了适当的id+)，它对我很有效。使用循环遍历页面上的所有选择来替换getElementById，我将留给读者作为练习;)。|2873638|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

This is my solution:

<pre><code>var select = document.getElementById('my_select');
for(var i=0; i &lt; select.options.length; i++){
 select.options[i].selected = select.options[i].attributes.selected != undefined;
}
</code></pre>

I just put that at the top of the page (with appropriate id set), and it works for me. Replacing the getElementById with a loop over all selects on the page, I leave as an exercise for the reader ;).

blocks|key|2873813|text|在工作中，我刚刚修复了一个bug，在同一个网页上，选择框选项在Chrome中显示正确，但在Firefox中不显示。事实证明，这是与上述问题完全不同的问题，但也可能是您正在经历的问题。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2873814|在Chrome中，选择框的font-color是黑色的。由于某些原因，在Firefox中，选择框继承了容器中的font-color，即白色。添加CSS规则以强制将选择框font-color设置为黑色后，设置的值会正确显示。|2873815|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|$]]

At work, I just fixed a bug where the select box option displayed properly in Chrome but not in Firefox, on the same web page. It turned out to be something completely different than the problems above, but could possibly be a problem you are experiencing.

In Chrome, the select box font-color was black. For some reason in Firefox, the select box inherited the font-color from the container, which was white. Once I added a CSS rule to force that select box font-color to be black, the value set was properly displayed.

blocks|key|806207|text|无论是autocomplete="off"还是放在form中都不适合我。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|806208|的工作原理是只使用属性，不带“”值，如下所示：|BOLD|806209|<option+@(Model.Source+==+TermSource.Instagram+?+"selected"+:+"")>
++++Instagram
</option>
<option+@(Model.Source+==+TermSource.Facebook+?+"selected"+:+"")>
++++Facebook
</option>|code-block|syntax|javascript|806210|因此，它要么呈现<option+selected>...</option>，要么仅呈现<option>...</option>|806211|entityMap^0|3|I|P|4|0|0|F|0|0|8|T|17|K|0^^$0|@$1|2|3|4|5|6|7|R|8|@$9|S|A|T|B|C]|$9|U|A|V|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|W|8|@$9|X|A|Y|B|H]]|D|@]|E|$]]|$1|I|3|J|5|K|7|Z|8|@]|D|@]|E|$L|M]]|$1|N|3|O|5|6|7|10|8|@$9|11|A|12|B|C]|$9|13|A|14|B|C]]|D|@]|E|$]]|$1|P|3|-4|5|6|7|15|8|@]|D|@]|E|$]]]|Q|$]]

Neither <code>autocomplete="off"</code> or placing it inside a <code>form</code> works for me.

What worked was to only use the attribute selected with no "value" like this:

<pre><code>&lt;option @(Model.Source == TermSource.Instagram ? "selected" : "")&gt;
 Instagram
&lt;/option&gt;
&lt;option @(Model.Source == TermSource.Facebook ? "selected" : "")&gt;
 Facebook
&lt;/option&gt;
</code></pre>

so either it renders <code>&lt;option selected&gt;...&lt;/option&gt;</code>, or just <code>&lt;option&gt;...&lt;/option&gt;</code>

If you change a dropdown and refresh the page, Firefox seems to ignore the selected attribute.
<pre><code>&lt;option selected=&quot;selected&quot; value=&quot;Test&quot;&gt;Test&lt;/option&gt;
</code></pre>
It will in fact select the option you had previously selected (before the refresh). This ends up being a problem for me since there is an event triggered on the dropdown which changes other things.
Is there a way to make firefox stop this behavior (other than firing another event when the page loads)?

Firefox ignores option selected="selected"

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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功能1上新10个字符

功能2描述100个字符功能2描述100个字符功能2描述100个字符功能2描述100个字符功能2描述100个字符功能2描述100个字符功能2描述100个字符功能2描述100个字符功能2描述100个字符。

功能2上新100个字符功能2上新100个字符功能2上新100个字符功能2上新100个字符功能2上新100个字符功能2上新100个字符功能2上新100个字符功能2上新100个字符功能2上新100个字符。

功能5描述100个字符功能5描述100个字符功能5描述100个字符功能5描述100个字符功能5描述100个字符功能5描述100个字符

功能5上新100个字符功能5上新100个字符功能5上新100个字符功能5上新100个字符功能5上新100个字符功能5上新100个字符功能5上新100个字符功能5上新100个字符功能5上新100个字符功能5上新100个字符

功能4上新

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社区新版编辑器体验调研

如果您更改下拉列表并刷新页面，Firefox似乎会忽略所选属性。<option selected="selected" value="Test">Test</option>它实际上会选择您先前选择的选项(在刷新之前)。这对我来说是个问题，因为在下拉列表上触发了一个事件，它改变了其他事情。有没有办法让firefox停止这种行为(而不是在页面加载时触发另一个事件)？

问火狐忽略选项selected="selected“
EN

回答 20

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问火狐忽略选项selected="selected“EN

回答 20

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问火狐忽略选项selected="selected“
EN