diff options
Diffstat (limited to 'files/zh-cn/web/javascript/reference/functions/default_parameters')
-rw-r--r-- | files/zh-cn/web/javascript/reference/functions/default_parameters/index.html | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/files/zh-cn/web/javascript/reference/functions/default_parameters/index.html b/files/zh-cn/web/javascript/reference/functions/default_parameters/index.html index 86f1722c9e..f280d42cdd 100644 --- a/files/zh-cn/web/javascript/reference/functions/default_parameters/index.html +++ b/files/zh-cn/web/javascript/reference/functions/default_parameters/index.html @@ -15,14 +15,14 @@ translation_of: Web/JavaScript/Reference/Functions/Default_parameters -<h2 id="语法" name="语法">语法</h2> +<h2 id="语法">语法</h2> <pre class="syntaxbox">function [<em>name</em>]([<em>param1</em>[ = defaultValue1 ][, ..., <em>paramN</em>[ = defaultValueN ]]]) { <em> statements</em> } </pre> -<h2 id="描述" name="描述">描述</h2> +<h2 id="描述">描述</h2> <p>JavaScript 中函数的参数默认是<code>{{jsxref("undefined")}}</code>。然而,在某些情况下可能需要设置一个不同的默认值。这是默认参数可以帮助的地方。</p> @@ -58,7 +58,7 @@ multiply(5); // 5</pre> multiply(5, 2); // 10 multiply(5); // 5</pre> -<h2 id="示例" name="示例">示例</h2> +<h2 id="示例">示例</h2> <h3 id="传入_undefined_vs_其他假值">传入 <code>undefined</code> vs 其他假值</h3> @@ -205,11 +205,11 @@ f(); // 6</pre> </tbody> </table> -<h2 id="浏览器兼容" name="浏览器兼容">浏览器兼容</h2> +<h2 id="浏览器兼容">浏览器兼容</h2> <p>{{Compat("javascript.functions.default_parameters")}}</p> -<h2 id="相关链接" name="相关链接">相关链接</h2> +<h2 id="相关链接">相关链接</h2> <ul> <li><a class="external external-icon" href="http://wiki.ecmascript.org/doku.php?id=harmony:parameter_default_values" rel="external" title="http://wiki.ecmascript.org/doku.php?id=harmony:parameter_default_values">Original proposal at ecmascript.org</a></li> |