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diff --git a/files/zh-cn/web/javascript/reference/global_objects/promise/reject/index.html b/files/zh-cn/web/javascript/reference/global_objects/promise/reject/index.html new file mode 100644 index 0000000000..f5a8f82156 --- /dev/null +++ b/files/zh-cn/web/javascript/reference/global_objects/promise/reject/index.html @@ -0,0 +1,78 @@ +--- +title: Promise.reject() +slug: Web/JavaScript/Reference/Global_Objects/Promise/reject +tags: + - ECAMScript 2015 + - JavaScript + - Method + - Promise +translation_of: Web/JavaScript/Reference/Global_Objects/Promise/reject +--- +<div>{{JSRef}}</div> + +<p><code><strong>Promise.reject()</strong></code>方法返回一个带有拒绝原因的<code>Promise</code>对象。</p> + +<p>{{EmbedInteractiveExample("pages/js/promise-reject.html")}}</p> + +<h2 id="Syntax" name="Syntax">语法</h2> + +<pre class="syntaxbox"><var>Promise.reject(reason)</var>;</pre> + +<h3 id="参数">参数</h3> + +<dl> + <dt>reason</dt> + <dd>表示<code>Promise</code>被拒绝的原因。</dd> +</dl> + +<h3 id="返回值">返回值</h3> + +<dl> + <dd>一个给定原因了的被拒绝的 {{jsxref("Promise")}}。</dd> +</dl> + +<h2 id="Description" name="Description">描述</h2> + +<p><font face="Open Sans, sans-serif">静态函数</font><code>Promise.reject</code>返回一个被拒绝的<code>Promise对象</code>。通过使用{{jsxref("Error")}}的实例获取错误原因<code>reason</code>对调试和选择性错误捕捉很有帮助。</p> + +<h2 id="示例">示例</h2> + +<h3 id="使用静态Promise.reject方法">使用静态<code>Promise.reject()</code>方法</h3> + +<pre><code>Promise.reject(new Error('fail')).then(function() { + // not called +}, function(error) { + console.error(error); // Stacktrace +});</code></pre> + +<h2 id="规范">规范</h2> + +<table class="standard-table"> + <tbody> + <tr> + <th scope="col">规范</th> + <th scope="col">状态</th> + <th scope="col">备注</th> + </tr> + <tr> + <td>{{SpecName('ES2015', '#sec-promise.reject', 'Promise.reject')}}</td> + <td>{{Spec2('ES2015')}}</td> + <td>ECMA规范的首次定义</td> + </tr> + <tr> + <td>{{SpecName('ESDraft', '#sec-promise.reject', 'Promise.reject')}}</td> + <td>{{Spec2('ESDraft')}}</td> + <td></td> + </tr> + </tbody> +</table> + +<h2 id="浏览器兼容性">浏览器兼容性</h2> + +<p>{{Compat("javascript.builtins.Promise.reject")}}</p> + +<h2 id="参见">参见</h2> + +<ul> + <li>{{jsxref("Promise")}}</li> +</ul> |