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diff --git a/files/zh-tw/web/javascript/reference/global_objects/promise/reject/index.html b/files/zh-tw/web/javascript/reference/global_objects/promise/reject/index.html new file mode 100644 index 0000000000..0c41a37509 --- /dev/null +++ b/files/zh-tw/web/javascript/reference/global_objects/promise/reject/index.html @@ -0,0 +1,72 @@ +--- +title: Promise.reject() +slug: Web/JavaScript/Reference/Global_Objects/Promise/reject +translation_of: Web/JavaScript/Reference/Global_Objects/Promise/reject +--- +<div>{{JSRef}}</div> + +<p><code><strong>Promise.reject(reason)</strong></code><strong> </strong>方法回傳一個以 <code>reason</code> 拒絕的 <code>Promise</code> 物件。</p> + +<h2 id="語法">語法</h2> + +<pre class="syntaxbox"><var>Promise.reject(reason)</var>;</pre> + +<h3 id="參數">參數</h3> + +<dl> + <dt>reason</dt> + <dd><code>Promise</code> 的失敗訊息。</dd> +</dl> + +<h3 id="回傳值">回傳值</h3> + +<p>一個以 <code>reason</code> 拒絕的 {{jsxref("Promise")}}。</p> + +<h2 id="描述">描述</h2> + +<p>靜態函式 <code>Promise.reject</code> 回傳一個被拒絕的 <code>Promise。由於除錯目的及選擇性錯誤捕捉(selective error catching),使</code>用一個 <code>instanceof</code> {{jsxref("Error")}} 作為 reason 是很有幫助的。</p> + +<h2 id="範例">範例</h2> + +<h3 id="使用靜態方法_Promise.reject()">使用靜態方法 Promise.reject()</h3> + +<pre class="brush: js">Promise.reject(new Error('fail')).then(function(error) { + // not called +}, function(error) { + console.log(error); // Stacktrace +});</pre> + +<h2 id="Specifications">Specifications</h2> + +<table class="standard-table"> + <tbody> + <tr> + <th scope="col">Specification</th> + <th scope="col">Status</th> + <th scope="col">Comment</th> + </tr> + <tr> + <td>{{SpecName('ES2015', '#sec-promise.reject', 'Promise.reject')}}</td> + <td>{{Spec2('ES2015')}}</td> + <td>Initial definition in an ECMA standard.</td> + </tr> + <tr> + <td>{{SpecName('ESDraft', '#sec-promise.reject', 'Promise.reject')}}</td> + <td>{{Spec2('ESDraft')}}</td> + <td> </td> + </tr> + </tbody> +</table> + +<h2 id="Browser_compatibility">Browser compatibility</h2> + +<p class="hidden">To contribute to this compatibility data, please write a pull request against this repository: <a href="https://github.com/mdn/browser-compat-data">https://github.com/mdn/browser-compat-data</a>.</p> + +<p>{{Compat("javascript.builtins.Promise.reject")}}</p> + +<h2 id="See_also">See also</h2> + +<ul> + <li>{{jsxref("Promise")}}</li> + <li><a href="https://github.com/petkaantonov/bluebird#error-handling">Selective error catching using the BlueBird Promise library</a></li> +</ul> |
