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Diffstat (limited to 'files/ko/web/javascript/reference/global_objects/promise/race/index.html')
-rw-r--r-- | files/ko/web/javascript/reference/global_objects/promise/race/index.html | 84 |
1 files changed, 42 insertions, 42 deletions
diff --git a/files/ko/web/javascript/reference/global_objects/promise/race/index.html b/files/ko/web/javascript/reference/global_objects/promise/race/index.html index 47b027024b..2221460291 100644 --- a/files/ko/web/javascript/reference/global_objects/promise/race/index.html +++ b/files/ko/web/javascript/reference/global_objects/promise/race/index.html @@ -106,48 +106,48 @@ setTimeout(function(){ <h3 id="setTimeout과_함께_Promise.race_사용_예"><code>setTimeout</code>과 함께 <code>Promise.race</code> 사용 예</h3> -<pre class="brush: js line-numbers language-js"><code class="language-js"><span class="keyword token">var</span> p1 <span class="operator token">=</span> <span class="keyword token">new</span> <span class="class-name token">Promise</span><span class="punctuation token">(</span><span class="keyword token">function</span><span class="punctuation token">(</span><span class="parameter token">resolve<span class="punctuation token">,</span> reject</span><span class="punctuation token">)</span> <span class="punctuation token">{</span> - <span class="function token">setTimeout</span><span class="punctuation token">(</span><span class="punctuation token">(</span><span class="punctuation token">)</span> <span class="operator token">=></span> <span class="function token">resolve</span><span class="punctuation token">(</span><span class="string token">'하나'</span><span class="punctuation token">)</span><span class="punctuation token">,</span> <span class="number token">500</span><span class="punctuation token">)</span><span class="punctuation token">;</span> -<span class="punctuation token">}</span><span class="punctuation token">)</span><span class="punctuation token">;</span> -<span class="keyword token">var</span> p2 <span class="operator token">=</span> <span class="keyword token">new</span> <span class="class-name token">Promise</span><span class="punctuation token">(</span><span class="keyword token">function</span><span class="punctuation token">(</span><span class="parameter token">resolve<span class="punctuation token">,</span> reject</span><span class="punctuation token">)</span> <span class="punctuation token">{</span> - <span class="function token">setTimeout</span><span class="punctuation token">(</span><span class="punctuation token">(</span><span class="punctuation token">)</span> <span class="operator token">=></span> <span class="function token">resolve</span><span class="punctuation token">(</span><span class="string token">'둘'</span><span class="punctuation token">)</span><span class="punctuation token">,</span> <span class="number token">100</span><span class="punctuation token">)</span><span class="punctuation token">;</span> -<span class="punctuation token">}</span><span class="punctuation token">)</span><span class="punctuation token">;</span> - -Promise<span class="punctuation token">.</span><span class="function token">race</span><span class="punctuation token">(</span><span class="punctuation token">[</span>p1<span class="punctuation token">,</span> p2<span class="punctuation token">]</span><span class="punctuation token">)</span> -<span class="punctuation token">.</span><span class="function token">then</span><span class="punctuation token">(</span><span class="keyword token">function</span><span class="punctuation token">(</span><span class="parameter token">value</span><span class="punctuation token">)</span> <span class="punctuation token">{</span> - console<span class="punctuation token">.</span><span class="function token">log</span><span class="punctuation token">(</span>value<span class="punctuation token">)</span><span class="punctuation token">;</span> <span class="comment token">// "둘"</span> - <span class="comment token">// 둘 다 이행하지만 p2가 더 빠르므로</span> -<span class="punctuation token">}</span><span class="punctuation token">)</span><span class="punctuation token">;</span> - -<span class="keyword token">var</span> p3 <span class="operator token">=</span> <span class="keyword token">new</span> <span class="class-name token">Promise</span><span class="punctuation token">(</span><span class="keyword token">function</span><span class="punctuation token">(</span><span class="parameter token">resolve<span class="punctuation token">,</span> reject</span><span class="punctuation token">)</span> <span class="punctuation token">{</span> - <span class="function token">setTimeout</span><span class="punctuation token">(</span><span class="punctuation token">(</span><span class="punctuation token">)</span> <span class="operator token">=></span> <span class="function token">resolve</span><span class="punctuation token">(</span><span class="string token">'셋'</span><span class="punctuation token">)</span><span class="punctuation token">,</span> <span class="number token">100</span><span class="punctuation token">)</span><span class="punctuation token">;</span> -<span class="punctuation token">}</span><span class="punctuation token">)</span><span class="punctuation token">;</span> -<span class="keyword token">var</span> p4 <span class="operator token">=</span> <span class="keyword token">new</span> <span class="class-name token">Promise</span><span class="punctuation token">(</span><span class="keyword token">function</span><span class="punctuation token">(</span><span class="parameter token">resolve<span class="punctuation token">,</span> reject</span><span class="punctuation token">)</span> <span class="punctuation token">{</span> - <span class="function token">setTimeout</span><span class="punctuation token">(</span><span class="punctuation token">(</span><span class="punctuation token">)</span> <span class="operator token">=></span> <span class="function token">reject</span><span class="punctuation token">(</span><span class="keyword token">new</span> <span class="class-name token">Error</span><span class="punctuation token">(</span><span class="string token">'넷'</span><span class="punctuation token">)</span><span class="punctuation token">)</span><span class="punctuation token">,</span> <span class="number token">500</span><span class="punctuation token">)</span><span class="punctuation token">;</span> -<span class="punctuation token">}</span><span class="punctuation token">)</span><span class="punctuation token">;</span> - -Promise<span class="punctuation token">.</span><span class="function token">race</span><span class="punctuation token">(</span><span class="punctuation token">[</span>p3<span class="punctuation token">,</span> p4<span class="punctuation token">]</span><span class="punctuation token">)</span> -<span class="punctuation token">.</span><span class="function token">then</span><span class="punctuation token">(</span><span class="keyword token">function</span><span class="punctuation token">(</span><span class="parameter token">value</span><span class="punctuation token">)</span> <span class="punctuation token">{</span> - console<span class="punctuation token">.</span><span class="function token">log</span><span class="punctuation token">(</span>value<span class="punctuation token">)</span><span class="punctuation token">;</span> <span class="comment token">// "셋"</span> - <span class="comment token">// p3이 더 빠르므로 이행함</span> -<span class="punctuation token">}</span><span class="punctuation token">,</span> <span class="keyword token">function</span><span class="punctuation token">(</span><span class="parameter token">reason</span><span class="punctuation token">)</span> <span class="punctuation token">{</span> - <span class="comment token">// 실행되지 않음</span> -<span class="punctuation token">}</span><span class="punctuation token">)</span><span class="punctuation token">;</span> - -<span class="keyword token">var</span> p5 <span class="operator token">=</span> <span class="keyword token">new</span> <span class="class-name token">Promise</span><span class="punctuation token">(</span><span class="keyword token">function</span><span class="punctuation token">(</span><span class="parameter token">resolve<span class="punctuation token">,</span> reject</span><span class="punctuation token">)</span> <span class="punctuation token">{</span> - <span class="function token">setTimeout</span><span class="punctuation token">(</span><span class="punctuation token">(</span><span class="punctuation token">)</span> <span class="operator token">=></span> <span class="function token">resolve</span><span class="punctuation token">(</span><span class="string token">'다섯'</span><span class="punctuation token">)</span><span class="punctuation token">,</span> <span class="number token">500</span><span class="punctuation token">)</span><span class="punctuation token">;</span> -<span class="punctuation token">}</span><span class="punctuation token">)</span><span class="punctuation token">;</span> -<span class="keyword token">var</span> p6 <span class="operator token">=</span> <span class="keyword token">new</span> <span class="class-name token">Promise</span><span class="punctuation token">(</span><span class="keyword token">function</span><span class="punctuation token">(</span><span class="parameter token">resolve<span class="punctuation token">,</span> reject</span><span class="punctuation token">)</span> <span class="punctuation token">{</span> - <span class="function token">setTimeout</span><span class="punctuation token">(</span><span class="punctuation token">(</span><span class="punctuation token">)</span> <span class="operator token">=></span> <span class="function token">reject</span><span class="punctuation token">(</span><span class="keyword token">new</span> <span class="class-name token">Error</span><span class="punctuation token">(</span><span class="string token">'여섯'</span><span class="punctuation token">)</span><span class="punctuation token">)</span><span class="punctuation token">,</span> <span class="number token">100</span><span class="punctuation token">)</span><span class="punctuation token">;</span> -<span class="punctuation token">}</span><span class="punctuation token">)</span><span class="punctuation token">;</span> - -Promise<span class="punctuation token">.</span><span class="function token">race</span><span class="punctuation token">(</span><span class="punctuation token">[</span>p5<span class="punctuation token">,</span> p6<span class="punctuation token">]</span><span class="punctuation token">)</span> -<span class="punctuation token">.</span><span class="function token">then</span><span class="punctuation token">(</span><span class="keyword token">function</span><span class="punctuation token">(</span><span class="parameter token">value</span><span class="punctuation token">)</span> <span class="punctuation token">{</span> - <span class="comment token">// 실행되지 않음</span> -<span class="punctuation token">}</span><span class="punctuation token">,</span> <span class="keyword token">function</span><span class="punctuation token">(</span><span class="parameter token">error</span><span class="punctuation token">)</span> <span class="punctuation token">{</span> - console<span class="punctuation token">.</span><span class="function token">log</span><span class="punctuation token">(</span>error<span class="punctuation token">.</span>message<span class="punctuation token">)</span><span class="punctuation token">;</span> <span class="comment token">// "여섯"</span> - <span class="comment token">// p6이 더 빠르므로 거부함</span> -<span class="punctuation token">}</span><span class="punctuation token">)</span><span class="punctuation token">;</span></code></pre> +<pre class="brush: js line-numbers language-js"><code class="language-js">var p1 = new Promise(function(resolve, reject) { + setTimeout(() => resolve('하나'), 500); +}); +var p2 = new Promise(function(resolve, reject) { + setTimeout(() => resolve('둘'), 100); +}); + +Promise.race([p1, p2]) +.then(function(value) { + console.log(value); // "둘" + // 둘 다 이행하지만 p2가 더 빠르므로 +}); + +var p3 = new Promise(function(resolve, reject) { + setTimeout(() => resolve('셋'), 100); +}); +var p4 = new Promise(function(resolve, reject) { + setTimeout(() => reject(new Error('넷')), 500); +}); + +Promise.race([p3, p4]) +.then(function(value) { + console.log(value); // "셋" + // p3이 더 빠르므로 이행함 +}, function(reason) { + // 실행되지 않음 +}); + +var p5 = new Promise(function(resolve, reject) { + setTimeout(() => resolve('다섯'), 500); +}); +var p6 = new Promise(function(resolve, reject) { + setTimeout(() => reject(new Error('여섯')), 100); +}); + +Promise.race([p5, p6]) +.then(function(value) { + // 실행되지 않음 +}, function(error) { + console.log(error.message); // "여섯" + // p6이 더 빠르므로 거부함 +});</code></pre> <h2 id="명세">명세</h2> |