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authorIrvin <irvinfly@gmail.com>2022-02-16 02:14:18 +0800
committerIrvin <irvinfly@gmail.com>2022-02-16 02:35:54 +0800
commitd44f5032d0f53256b2d5aef505d6b593fd3cd158 (patch)
tree4b585f4be9c9a2712664ad10e7acf62c83fff51f /files/zh-cn/web/javascript/equality_comparisons_and_sameness
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fix yari h2m dry run errors (zh-CN)
Diffstat (limited to 'files/zh-cn/web/javascript/equality_comparisons_and_sameness')
-rw-r--r--files/zh-cn/web/javascript/equality_comparisons_and_sameness/index.html5
1 files changed, 2 insertions, 3 deletions
diff --git a/files/zh-cn/web/javascript/equality_comparisons_and_sameness/index.html b/files/zh-cn/web/javascript/equality_comparisons_and_sameness/index.html
index 502870405e..d36a7e3aad 100644
--- a/files/zh-cn/web/javascript/equality_comparisons_and_sameness/index.html
+++ b/files/zh-cn/web/javascript/equality_comparisons_and_sameness/index.html
@@ -382,13 +382,12 @@ function attemptMutation(v)
<p>这里是一个会区别对待-0和+0的内置方法和操作符不完全列表:</p>
-<p><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Arithmetic_Operators#-_.28Unary_Negation.29" title="/en-US/docs/Web/JavaScript/Reference/Operators/Arithmetic_Operators"><code>- (一元负)</code></a></p>
-
<dl>
+ <dt><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Arithmetic_Operators#-_.28Unary_Negation.29" title="/en-US/docs/Web/JavaScript/Reference/Operators/Arithmetic_Operators"><code>- (一元负)</code></a></dt>
<dd>
<p>显而易见,对<code>0一元负操作得到</code><code>-0</code>。但表达式的抽象化可能在你没有意识到得情况下导致-0延续传播。例如当考虑下例时:</p>
- <pre class="brush:js language-js">let stoppingForce = obj.mass * -obj.velocity</pre>
+ <pre class="brush:js">let stoppingForce = obj.mass * -obj.velocity</pre>
<p>如果<code>obj.velocity</code>是<code>0</code> (或计算结果为<code>0</code>), <code>一个-0</code>就在上处产生并被赋值为<code>stoppingForce的值</code>.</p>
</dd>