blocks|key|3037032|text|Ubuntu用户|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3037033|我在Ubuntu11.04上，也有类似的问题。安装Node.js修好了。|offset|length|3037034|从Ubuntu13.04+x64开始，只需运行：|3037035|sudo+apt-get+install+nodejs|code-block|syntax|javascript|3037036|这将解决问题。|3037037|CentOS/RedHat用户|3037038|sudo+yum+install+nodejs|3037039|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/joyent/node/wiki/Installing-Node.js-via-package-manager^0|0|N|9|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|10|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|11|8|@]|9|@$D|12|E|13|1|14]]|A|$]]|$1|F|3|G|5|6|7|15|8|@]|9|@]|A|$]]|$1|H|3|I|5|J|7|16|8|@]|9|@]|A|$K|L]]|$1|M|3|N|5|6|7|17|8|@]|9|@]|A|$]]|$1|O|3|P|5|6|7|18|8|@]|9|@]|A|$]]|$1|Q|3|R|5|J|7|19|8|@]|9|@]|A|$K|L]]|$1|S|3|-4|5|6|7|1A|8|@]|9|@]|A|$]]]|T|$U|$5|V|W|X|A|$Y|Z]]]]

<h2>Ubuntu Users</h2>

I'm on Ubuntu 11.04 and had similar issues. <a href="https://github.com/joyent/node/wiki/Installing-Node.js-via-package-manager" rel="noreferrer">Installing Node.js</a> fixed it.

As of Ubuntu 13.04 x64 you only need to run:

<pre><code>sudo apt-get install nodejs
</code></pre>

This will solve the problem.

<hr>

<h2>CentOS/RedHat Users</h2>

<pre><code>sudo yum install nodejs
</code></pre>

blocks|key|2678776|text|只需在gem文件中添加ExecJS和红宝石赛车，然后运行bundle+install。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|2678777|gem+'execjs'

gem+'therubyracer'|code-block|syntax|javascript|2678778|之后一切都会好起来的。|2678779|entityMap|0|LINK|mutability|MUTABLE|url|http://rubygems.org/gems/execjs|1|https://github.com/cowboyd/therubyracer^0|S|E|B|6|0|I|5|1|0|0|0^^$0|@$1|2|3|4|5|6|7|W|8|@$9|X|A|Y|B|C]]|D|@$9|Z|A|10|1|11]|$9|12|A|13|1|14]]|E|$]]|$1|F|3|G|5|H|7|15|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|16|8|@]|D|@]|E|$]]|$1|M|3|-4|5|6|7|17|8|@]|D|@]|E|$]]]|N|$O|$5|P|Q|R|E|$S|T]]|U|$5|P|Q|R|E|$S|V]]]]

Just add <a href="http://rubygems.org/gems/execjs" rel="noreferrer">ExecJS</a> and the <a href="https://github.com/cowboyd/therubyracer" rel="noreferrer">Ruby Racer</a> in your gem file and run <code>bundle install</code> after. 

<pre><code>gem 'execjs'

gem 'therubyracer'
</code></pre>

Everything should be fine after.

blocks|key|1482385|text|在你的宝石文件里，写|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1482386|gem+'execjs'
gem+'therubyracer'|code-block|syntax|javascript|1482387|然后跑|1482388|bundle+install|1482389|对我来说一切都很好:)|1482390|entityMap^0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|Q|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|R|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|S|8|@]|9|@]|A|$]]|$1|M|3|-4|5|6|7|T|8|@]|9|@]|A|$]]]|N|$]]

In your Gem file, write

<pre><code>gem 'execjs'
gem 'therubyracer'
</code></pre>

and then run

<pre><code>bundle install
</code></pre>

Everything works fine for me :)

blocks|key|1482423|text|我也遇到了类似的问题:我的Rails+3.1应用程序在Windows上运行得很好，但在Linux上运行时却得到了与OP相同的错误。在这两个平台上对我起作用的修正是将以下内容添加到我的Gemfile中|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1482424|gem+'therubyracer',+:platforms+=>+:ruby|code-block|syntax|javascript|1482425|诀窍是知道:platforms+=>+:ruby实际上意味着只使用带有"C+Ruby+(MRI)或Rubinius，而不是Windows的宝石“。|1482426|:platforms的其他可能值在手册页中描述。|1482427|Windows有一个内置的JavaScript引擎，execjs可以找到它。在Linux上没有内置的，尽管有几个可用的，可以安装。therubyracer就是其中之一。其他人则被列入execjs+README.md。|1482428|entityMap|0|LINK|mutability|MUTABLE|url|https://bundler.io/v2.2/man/gemfile.5.html#PLATFORMS|1|https://github.com/sstephenson/execjs/blob/master/README.md^0|2J|7|0|0|5|J|0|0|A|H|3|0|0|Q|6|1T|C|2J|6|2Q|9|1|0^^$0|@$1|2|3|4|5|6|7|10|8|@$9|11|A|12|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|13|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|14|8|@$9|15|A|16|B|C]]|D|@]|E|$]]|$1|M|3|N|5|6|7|17|8|@$9|18|A|19|B|C]]|D|@$9|1A|A|1B|1|1C]]|E|$]]|$1|O|3|P|5|6|7|1D|8|@$9|1E|A|1F|B|C]|$9|1G|A|1H|B|C]|$9|1I|A|1J|B|C]]|D|@$9|1K|A|1L|1|1M]]|E|$]]|$1|Q|3|-4|5|6|7|1N|8|@]|D|@]|E|$]]]|R|$S|$5|T|U|V|E|$W|X]]|Y|$5|T|U|V|E|$W|Z]]]]

I had a similar problem: my Rails 3.1 app worked fine on Windows but got the same error as the OP when running on Linux. The fix that worked for me on both platforms was to add the following to my <code>Gemfile</code>:
<pre><code>gem 'therubyracer', :platforms =&gt; :ruby
</code></pre>
The trick is knowing that <code>:platforms =&gt; :ruby</code> actually means only use this gem with &quot;C Ruby (MRI) or Rubinius, but NOT Windows.&quot;
Other possible values for <code>:platforms</code> are described in <a href="https://bundler.io/v2.2/man/gemfile.5.html#PLATFORMS" rel="nofollow noreferrer">the <code>bundler</code> man page</a>.
FYI: Windows has a builtin JavaScript engine which <code>execjs</code> can locate. On Linux there is not a builtin although there are several available that one can install. <code>therubyracer</code> is one of them. Others are listed in the <code>execjs</code> <a href="https://github.com/sstephenson/execjs/blob/master/README.md" rel="nofollow noreferrer">README.md</a>.

blocks|key|3037096|text|在我的Gemfile中添加以下gem解决了这个问题：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3037097|gem+'therubyracer'|code-block|syntax|javascript|3037098|然后捆绑您的新依赖项：|3037099|$+bundle+install|3037100|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|$]]

Adding the following gem to my Gemfile solved the issue:

<pre><code>gem 'therubyracer'
</code></pre>

Then bundle your new dependencies:

<pre><code>$ bundle install
</code></pre>

blocks|key|3037154|text|另一种方法是在没有包含您没有的内容的gem组的情况下进行捆绑。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3037155|也是如此：|3037156|bundle+install+--without+assets|code-block|syntax|javascript|3037157|您根本不需要修改Gemfile，当然，如果您不是在做资产链--这通常适用于非开发环境。Bundle将记住.bundle/config文件中的“--没有”设置。|3037158|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|N|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|O|8|@]|9|@]|A|$G|H]]|$1|I|3|J|5|6|7|P|8|@]|9|@]|A|$]]|$1|K|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|L|$]]

An alternative way is to just bundle without the gem group that contains the things you don't have.

So do:

<pre><code>bundle install --without assets
</code></pre>

you don't have to modify the Gemfile at all, providing of course you are not doing asset chain stuff - which usually applies in non-development environments. Bundle will remember your '--without' setting in the .bundle/config file.

blocks|key|2678884|text|在gem文件中添加以下宝石|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2678885|gem+'therubyracer'
gem+'execjs'|code-block|syntax|javascript|2678886|然后跑|2678887|bundle+install|2678888|你已经完成了:)|2678889|entityMap^0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|Q|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|R|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|S|8|@]|9|@]|A|$]]|$1|M|3|-4|5|6|7|T|8|@]|9|@]|A|$]]]|N|$]]

Add following gems in your gem file

<pre><code>gem 'therubyracer'
gem 'execjs'
</code></pre>

and run

<pre><code>bundle install
</code></pre>

you are done :)

blocks|key|1482613|text|对于amazon+(AMI)：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1482614|sudo+yum+install+nodejs+npm+--enablerepo=epel|code-block|syntax|javascript|1482615|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 amazon linux(AMI):

<pre><code>sudo yum install nodejs npm --enablerepo=epel
</code></pre>

blocks|key|3037297|text|我也有同样的错误，但只在我的暂存服务器上，而不是在我的生产环境上。nodejs已经安装在这两个环境中。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3037298|通过打字：|3037299|which+node|code-block|syntax|javascript|3037300|我发现，在生产过程中，节点命令位于:+/usr/bin/node中，但是在暂存过程中:+/usr/local/bin/node中。|3037301|在创建了关于分期的符号链接之后，即：|3037302|sudo+ln+-s+/usr/local/bin/node+/usr/bin/node|3037303|然后，该应用程序在暂存过程中工作。|3037304|不要大惊小怪。|3037305|entityMap^0|0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|V|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|W|8|@]|9|@]|A|$G|H]]|$1|I|3|J|5|6|7|X|8|@]|9|@]|A|$]]|$1|K|3|L|5|6|7|Y|8|@]|9|@]|A|$]]|$1|M|3|N|5|F|7|Z|8|@]|9|@]|A|$G|H]]|$1|O|3|P|5|6|7|10|8|@]|9|@]|A|$]]|$1|Q|3|R|5|6|7|11|8|@]|9|@]|A|$]]|$1|S|3|-4|5|6|7|12|8|@]|9|@]|A|$]]]|T|$]]

I had this same error but only on my staging server not my production environment. nodejs was already installed on both environments.

By typing:

<pre><code>which node
</code></pre>

I found out that the node command was located in: /usr/bin/node on production 
but: /usr/local/bin/node in staging.

After creating a symlink on staging i.e. :

<pre><code>sudo ln -s /usr/local/bin/node /usr/bin/node
</code></pre>

the application then worked in staging. 

No muss no fuss.

blocks|key|2678858|text|我过去常常将红宝石赛车添加到Gem文件中来修复它。但是嘿，Node.js很管用！|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|2678859|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/cowboyd/therubyracer|1|http://en.wikipedia.org/wiki/Nodejs^0|6|5|0|T|7|1|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@$A|O|B|P|1|Q]|$A|R|B|S|1|T]]|C|$]]|$1|D|3|-4|5|6|7|U|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]|L|$5|G|H|I|C|$J|M]]]]

I used to add the <a href="https://github.com/cowboyd/therubyracer" rel="nofollow">Ruby Racer</a> to the Gem file to fix it. But hey, <a href="http://en.wikipedia.org/wiki/Nodejs" rel="nofollow">Node.js</a> works!

blocks|key|3037249|text|不要使用RubyRacer，因为它对内存不好。按照这里的一些人的建议安装Node.js是一个更好的主意。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3037250|ExecJs可以使用的可用运行时列表还记录了Node.js的使用情况|3037251|https://github.com/sstephenson/execjs|offset|length|3037252|因此，Node.js不是一个过火的解决方案，而且比使用RubyRacer要好得多。|3037253|entityMap|0|LINK|mutability|MUTABLE|url^0|0|0|0|11|0|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|R|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|S|8|@]|9|@$F|T|G|U|1|V]]|A|$]]|$1|H|3|I|5|6|7|W|8|@]|9|@]|A|$]]|$1|J|3|-4|5|6|7|X|8|@]|9|@]|A|$]]]|K|$L|$5|M|N|O|A|$P|E]]]]

Don't Use RubyRacer as it is bad on memory. Installing Node.js as suggested by some people here is a better idea.

This list of available runtimes that can be used by ExecJs Library also documents the use of Node.js

<a href="https://github.com/sstephenson/execjs" rel="nofollow noreferrer">https://github.com/sstephenson/execjs</a>

So, Node.js is not an overkill, and much better solution than using the RubyRacer.

blocks|key|1482503|text|这个帮我解决了问题..。这是一个问题：http://forums.freebsd.org/showthread.php?t=35539|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1482504|entityMap|0|LINK|mutability|MUTABLE|url|http://forums.freebsd.org/showthread.php?t=35539^0|J|1C|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

FYI, this fixed the problem for me... it's a pathing problem:
<a href="http://forums.freebsd.org/showthread.php?t=35539" rel="nofollow">http://forums.freebsd.org/showthread.php?t=35539</a>

blocks|key|1482658|text|我通过node安装了nvm，并在使用Capistrano进行部署时遇到了这个问题。Capistrano没有自动加载nvm，因为它以非交互方式运行。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1482659|要修复，只需将nvm添加到~/.bashrc中的行移到顶部即可。然后，该文件将如下所示：|1482660|export+NVM_DIR="$HOME/.nvm"
[+-s+"$NVM_DIR/nvm.sh"+]+&&+\.+"$NVM_DIR/nvm.sh"++#+This+loads+nvm
[+-s+"$NVM_DIR/bash_completion"+]+&&+\.+"$NVM_DIR/bash_completion"++#+This+loads+nvm+bash_completion

#+If+not+running+interactively,+don't+do+anything
case+$-+in
++++*i*)+;;
++++++*)+return;;
esac|code-block|syntax|javascript|1482661|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/nvm-sh/nvm^0|3|4|A|3|0|0|D|9|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@$9|V|A|W|B|C]]|D|@$9|X|A|Y|1|Z]]|E|$]]|$1|F|3|G|5|6|7|10|8|@$9|11|A|12|B|C]]|D|@]|E|$]]|$1|H|3|I|5|J|7|13|8|@]|D|@]|E|$K|L]]|$1|M|3|-4|5|6|7|14|8|@]|D|@]|E|$]]]|N|$O|$5|P|Q|R|E|$S|T]]]]

I installed <code>node</code> via <a href="https://github.com/nvm-sh/nvm" rel="nofollow noreferrer">nvm</a> and encountered this issue when deploying with Capistrano. Capistrano didn't load nvm automatically because it runs non-interactively.

To fix, simply move the lines that nvm adds to your <code>~/.bashrc</code> up to the top. The file will then look something like this:

<pre class="lang-sh prettyprint-override"><code>export NVM_DIR="$HOME/.nvm"
[ -s "$NVM_DIR/nvm.sh" ] &amp;&amp; \. "$NVM_DIR/nvm.sh" # This loads nvm
[ -s "$NVM_DIR/bash_completion" ] &amp;&amp; \. "$NVM_DIR/bash_completion" # This loads nvm bash_completion

# If not running interactively, don't do anything
case $- in
 *i*) ;;
 *) return;;
esac
</code></pre>

blocks|key|2679070|text|2022年在Mac上的答案很简单：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2679071|brew+install+nodejs|offset|length|style|CODE|2679072|然后重新运行rails+server。|2679073|entityMap^0|0|0|J|0|6|C|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|M|8|@$D|N|E|O|F|G]]|9|@]|A|$]]|$1|H|3|I|5|6|7|P|8|@$D|Q|E|R|F|G]]|9|@]|A|$]]|$1|J|3|-4|5|6|7|S|8|@]|9|@]|A|$]]]|K|$]]

The answer on a Mac in 2022 is simply:
<code>brew install nodejs</code>
Then rerun <code>rails server</code>.

blocks|key|2678926|text|当我开始在Ruby1.9.3中使用rbenv时，我就开始遇到这个问题，因为我的系统Ruby是1.8.7。gem在两个地方都安装了，但出于某种原因，rails脚本没有选择它。但是，在Gemfile中添加"execjs“和"therubyracer”确实有好处。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2678927|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|$]]

I started getting this problem when I started using rbenv with Ruby 1.9.3 where as my system ruby is 1.8.7. The gem is installed in both places but for some reason the rails script didn't pick it up. But adding the "execjs" and "therubyracer" to the Gemfile did the trick.

blocks|key|3037277|text|在您的创业板文件中，取消注释这一行。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3037278|19+#+gem+'therubyracer‘平台:ruby|3037279|并运行包安装。|3037280|你已经准备好工作了。:)|3037281|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|J|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|K|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|L|8|@]|9|@]|A|$]]|$1|F|3|G|5|6|7|M|8|@]|9|@]|A|$]]|$1|H|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|I|$]]

In your gem file
Uncomment this line.

19 # gem 'therubyracer', platforms: :ruby

And run
bundle install

You are ready to work. :)

blocks|key|3037332|text|试图在RubyMine中使用Ubuntu18.04、Ruby2.6.*、Rails+5和RubyMine+2019.1.1进行调试，我遇到了同样的问题。|type|unstyled|depth|inlineStyleRanges|offset|length|style|BOLD|entityRanges|data|3037333|为了解决这个问题，我取消了Gemfile中的Gemfile行注释，然后运行bundle：|CODE|3037334|#+See+https://github.com/rails/execjs#readme+for+more+supported+runtimes
#+gem+'mini_racer',+platforms:+:ruby|code-block|syntax|javascript|3037335|改为：|3037336|#+See+https://github.com/rails/execjs#readme+for+more+supported+runtimes
gem+'mini_racer',+platforms:+:ruby|3037337|entityMap^0|0|1P|0|D|7|M|7|11|6|0|0|0|0^^$0|@$1|2|3|4|5|6|7|T|8|@$9|U|A|V|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|W|8|@$9|X|A|Y|B|H]|$9|Z|A|10|B|H]|$9|11|A|12|B|H]]|D|@]|E|$]]|$1|I|3|J|5|K|7|13|8|@]|D|@]|E|$L|M]]|$1|N|3|O|5|6|7|14|8|@]|D|@]|E|$]]|$1|P|3|Q|5|K|7|15|8|@]|D|@]|E|$L|M]]|$1|R|3|-4|5|6|7|16|8|@]|D|@]|E|$]]]|S|$]]

Attempting to debug in RubyMine using Ubuntu 18.04, Ruby 2.6.*, Rails 5, &amp; RubyMine 2019.1.1, I ran into the same issue.

To resolve the issue, I uncommented the <code>mini_racer</code> line from my <code>Gemfile</code> and then ran <code>bundle</code>: 

<pre class="lang-rb prettyprint-override"><code># See https://github.com/rails/execjs#readme for more supported runtimes
# gem 'mini_racer', platforms: :ruby
</code></pre>

Change to: 

<pre class="lang-rb prettyprint-override"><code># See https://github.com/rails/execjs#readme for more supported runtimes
gem 'mini_racer', platforms: :ruby
</code></pre>

I'm trying to use the <a href="https://github.com/RailsApps/rails3-mongoid-devise">Mongoid / Devise Rails 3.1 template</a> (<a href="http://mongoid.org/">Mongoid</a> and <a href="https://github.com/plataformatec/devise">Devise</a>), and I keep getting an error stating <a href="http://rubygems.org/gems/execjs">ExecJS</a> cannot find a JavaScript runtime. Fair enough when I didn't have any installed, but I've tried installing <a href="http://en.wikipedia.org/wiki/Nodejs">Node.js</a>, <a href="https://github.com/nu7hatch/mustang">Mustang</a> and the <a href="https://github.com/cowboyd/therubyracer">Ruby Racer</a>, but nothing is working. 

I could not find a JavaScript runtime. See <a href="https://github.com/sstephenson/execjs">sstephenson/ExecJS</a> (GitHub) for a list of available runtimes (<code>ExecJS::RuntimeUnavailable</code>).

What do I need to do to get this working?

ExecJS and could not find a JavaScript runtime

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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我正在尝试使用 (和)，并不断收到一个错误，说明找不到JavaScript运行时。当我没有安装任何设备时，这是很公平的，但是我尝试过安装、和，但是什么都没有成功。我找不到JavaScript运行时。有关可用运行时(  )的列表(ExecJS::RuntimeUnavailable)，请参见GitHub。我该怎么做才能让这件事奏效？

问ExecJS无法找到JavaScript运行时
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回答 17

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