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语法高亮,滚动条美化,设置页面调整
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@@ -5,9 +5,9 @@
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<div><iframe class="interactive interactive-js" frameborder="0" height="250" src="https://interactive-examples.mdn.mozilla.net/pages/js/promise-resolve.html" width="100%"></iframe></div>
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<p class="hidden">The source for this interactive demo is stored in a GitHub repository. If you'd like to contribute to the interactive demo project, please clone <a class="external" href="https://github.com/mdn/interactive-examples" rel="noopener">https://github.com/mdn/interactive-examples</a> and send us a pull request.</p>
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<h2 id="Syntax" name="Syntax">语法</h2>
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<pre class="syntaxbox"><var>Promise.resolve(value)</var>;
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<pre><code class="language-javascript"><var>Promise.resolve(value)</var>;
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Promise.resolve(promise);
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Promise.resolve(thenable);</pre>
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Promise.resolve(thenable);</code></pre>
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<h3 id="参数">参数</h3>
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<dl>
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<dt>value</dt>
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@@ -21,20 +21,20 @@ Promise.resolve(thenable);</pre>
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<p>静态方法 <code>Promise.resolve</code>返回一个解析过的<code>Promise</code>对象.</p>
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<h2 id="示例">示例</h2>
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<h3 id="使用静态方法Promise.resolve">使用静态方法<code>Promise.resolve</code></h3>
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<pre class="brush: js">Promise.resolve("Success").then(function(value) {
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<pre><code class="language-javascript">Promise.resolve("Success").then(function(value) {
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console.log(value); // "Success"
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}, function(value) {
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// 不会被调用
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});
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</pre>
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</code></pre>
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<h3 id="对一个数组进行resolve">对一个数组进行resolve</h3>
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<pre class="brush: js">var p = Promise.resolve([1,2,3]);
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<pre><code class="language-javascript">var p = Promise.resolve([1,2,3]);
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p.then(function(v) {
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console.log(v[0]); // 1
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});
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</pre>
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</code></pre>
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<h3 id="Resolve另一个promise对象">Resolve另一个promise对象</h3>
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<pre class="brush: js">var original = Promise.resolve('我在第二行');
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<pre><code class="language-javascript">var original = Promise.resolve('我在第二行');
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var cast = Promise.resolve(original);
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cast.then(function(value) {
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console.log('value: ' + value);
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@@ -45,9 +45,9 @@ console.log('original === cast ? ' + (original === cast));
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* 打印顺序如下,这里有一个同步异步先后执行的区别
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* original === cast ? true
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* value: 我在第二行
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*/</pre>
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*/</code></pre>
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<h3 id="resolve_thenable的对象们并抛出错误">resolve thenable的对象们并抛出错误</h3>
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<pre class="brush: js">// Resolve一个thenable对象
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<pre><code class="language-javascript">// Resolve一个thenable对象
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var p1 = Promise.resolve({
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then: function(onFulfill, onReject) { onFulfill("fulfilled!"); }
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});
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@@ -86,7 +86,7 @@ p3.then(function(v) {
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}, function(e) {
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// 不会被调用
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});
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</pre>
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</code></pre>
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<h2 id="规范">规范</h2>
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<table class="standard-table">
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<tbody>
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