From 33058f2b292b3a581333bdfb21b8f671898c5060 Mon Sep 17 00:00:00 2001
From: Peter Bengtsson <mail@peterbe.com>
Date: Tue, 8 Dec 2020 14:40:17 -0500
Subject: initial commit

---
 .../reference/errors/already_has_pragma/index.html | 37 ++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 files/zh-cn/web/javascript/reference/errors/already_has_pragma/index.html

(limited to 'files/zh-cn/web/javascript/reference/errors/already_has_pragma')

diff --git a/files/zh-cn/web/javascript/reference/errors/already_has_pragma/index.html b/files/zh-cn/web/javascript/reference/errors/already_has_pragma/index.html
new file mode 100644
index 0000000000..28bf001e59
--- /dev/null
+++ b/files/zh-cn/web/javascript/reference/errors/already_has_pragma/index.html
@@ -0,0 +1,37 @@
+---
+title: 'Warning: -file- is being assigned a //# sourceMappingURL, but already has one'
+slug: Web/JavaScript/Reference/Errors/Already_has_pragma
+translation_of: Web/JavaScript/Reference/Errors/Already_has_pragma
+---
+<div>{{jsSidebar("Errors")}}</div>
+
+<h2 id="消息">消息</h2>
+
+<pre class="syntaxbox">Warning: -file- is being assigned a //# sourceMappingURL, but already has one.</pre>
+
+<h2 id="错误类型">错误类型</h2>
+
+<p>一个警告。JavaScript 的执行不会中止。</p>
+
+<h2 id="哪里有问题？">哪里有问题？</h2>
+
+<p>对于给定的 JavaScript 源码，源码映射规定了不止一次。</p>
+
+<p>JavaScript 源码通常被组合和压缩，使其从服务器传递更加高效。 使用了<a href="http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/">源码映射</a>，调试器能够将执行的源码映射到原始的源码。 有两种指派源码映射的方式，通过注释，或者对 JavaScript 设置标题。</p>
+
+<h2 id="示例">示例</h2>
+
+<p>使用文件中的注释来设置源码映射：</p>
+
+<pre class="brush: js example-good">//# sourceMappingURL=http://example.com/path/to/your/sourcemap.map</pre>
+
+<p>或者，你可以对你的 JavaScript 文件设置一个标题：</p>
+
+<pre class="brush: js example-good">X-SourceMap: /path/to/file.js.map</pre>
+
+<h2 id="另见">另见</h2>
+
+<ul>
+ <li><a href="/en-US/docs/Tools/Debugger/How_to/Use_a_source_map">如何使用源码映射 – Firefox Tools documentation</a></li>
+ <li><a href="http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/">源码映射简介 – HTML5 rocks</a></li>
+</ul>
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