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Diffstat (limited to 'files/zh-cn/web/javascript/reference/global_objects/math/log2/index.html')
| -rw-r--r-- | files/zh-cn/web/javascript/reference/global_objects/math/log2/index.html | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/files/zh-cn/web/javascript/reference/global_objects/math/log2/index.html b/files/zh-cn/web/javascript/reference/global_objects/math/log2/index.html index 78f1c43b93..1811e1b183 100644 --- a/files/zh-cn/web/javascript/reference/global_objects/math/log2/index.html +++ b/files/zh-cn/web/javascript/reference/global_objects/math/log2/index.html @@ -7,26 +7,26 @@ translation_of: Web/JavaScript/Reference/Global_Objects/Math/log2 <div>{{JSRef("Global_Objects", "Math")}}</div> </div> -<h2 id="Summary" name="Summary">概述</h2> +<h2 id="Summary">概述</h2> <p><code><strong>Math.log2()</strong></code> 函数返回一个数字以 2 为底的对数.</p> -<h2 id="Syntax" name="Syntax">语法</h2> +<h2 id="Syntax">语法</h2> <pre class="syntaxbox"><code>Math.log2(<em>x</em>)</code></pre> -<h3 id="Parameters" name="Parameters">参数</h3> +<h3 id="Parameters">参数</h3> <dl> <dt><code>x</code></dt> <dd>任意数字.</dd> </dl> -<h2 id="Description" name="Description">描述</h2> +<h2 id="Description">描述</h2> <p>如果传入的参数小于 0, 则返回 <code>NaN</code>.</p> -<h2 id="Examples" name="Examples">示例</h2> +<h2 id="Examples">示例</h2> <pre class="brush:js">Math.log2(2) // 1 Math.log2(1024) // 10 @@ -106,7 +106,7 @@ Math.log2("foo") // NaN </table> </div> -<h2 id="See_also" name="See_also">相关链接</h2> +<h2 id="See_also">相关链接</h2> <ul> <li>{{jsxref("Global_Objects/Math", "Math")}} 对象.</li> |