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+---
+title: performance.mark()
+slug: Web/API/Performance/mark
+tags:
+  - API
+  - Method
+  - Reference
+  - Web Performance
+translation_of: Web/API/Performance/mark
+---
+<div>{{APIRef("User Timing API")}}</div>
+
+<p><strong><code>mark()</code></strong> 메소드는 브라우저의 <em>performance entry buffer</em>에 주어진 이름으로 {{domxref("DOMHighResTimeStamp","timestamp")}}를 생성합니다. timestamp가 정의된 응용프로그램은 {{domxref("Performance")}} 인터페이스의 <code>getEntries*()</code> 메소드들을 통해 불러올 수 있습니다. ({{domxref("Performance.getEntries","getEntries()")}}, {{domxref("Performance.getEntriesByName","getEntriesByName()")}}, {{domxref("Performance.getEntriesByType","getEntriesByType()")}}).</p>
+
+<p>{{AvailableInWorkers}}</p>
+
+<p><code>mark</code>의 {{domxref("PerformanceEntry","performance entry")}}는 다음 속성값을 갖습니다:</p>
+
+<ul>
+ <li>{{domxref("PerformanceEntry.entryType","entryType")}} - "<code>mark</code>"로 설정됩니다.</li>
+ <li>{{domxref("PerformanceEntry.name","name")}} - mark가 생성될 때 주어진 "<code>name</code>"으로 설정됩니다.</li>
+ <li>{{domxref("PerformanceEntry.startTime","startTime")}} - <code>mark()</code>가 호출되었을 때의 {{domxref("DOMHighResTimeStamp","timestamp")}}가 설정됩니다.</li>
+ <li>{{domxref("PerformanceEntry.duration","duration")}} - "<code>0</code>"으로 설정됩니다. (<em>duration</em>이 없는 mark).</li>
+</ul>
+
+<p>만약 메서드에 주어진 <code>name</code>이 이미 {{domxref("PerformanceTiming")}} 인터페이스 상에 존재한다면 {{jsxref("SyntaxError")}}를 throw 합니다.</p>
+
+<h2 id="Syntax">Syntax</h2>
+
+<pre class="syntaxbox"><em>performance</em>.mark(name);
+</pre>
+
+<h3 id="Arguments">Arguments</h3>
+
+<dl>
+ <dt>name</dt>
+ <dd>mark의 이름을 나타내는 {{domxref("DOMString")}}.</dd>
+</dl>
+
+<h3 id="Return_value">Return value</h3>
+
+<dl>
+ <dt>void</dt>
+ <dd></dd>
+</dl>
+
+<h2 id="Example">Example</h2>
+
+<p>다음 예시는 mark()를 사용하여 {{domxref("PerformanceMark")}}를 생성하고 불러오는 방법을 보여줍니다.</p>
+
+<pre class="brush:js">// Create a bunch of marks.
+performance.mark("squirrel");
+performance.mark("squirrel");
+performance.mark("monkey");
+performance.mark("monkey");
+performance.mark("dog");
+performance.mark("dog");
+
+// Get all of the PerformanceMark entries.
+const allEntries = performance.getEntriesByType("mark");
+console.log(allEntries.length);
+// 6
+
+// Get all of the "monkey" PerformanceMark entries.
+const monkeyEntries = performance.getEntriesByName("monkey");
+console.log(monkeyEntries.length);
+// 2
+
+// Clear out all of the marks.
+performance.clearMarks();
+</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('User Timing Level 2', '#dom-performance-mark', 'mark()')}}</td>
+   <td>{{Spec2('User Timing Level 2')}}</td>
+   <td>Clarifies <code>mark()</code> processing model.</td>
+  </tr>
+  <tr>
+   <td>{{SpecName('User Timing', '#dom-performance-mark', 'mark()')}}</td>
+   <td>{{Spec2('User Timing')}}</td>
+   <td>Basic definition.</td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="Browser_compatibility">Browser compatibility</h2>
+
+<div>
+
+
+<p>{{Compat("api.Performance.mark")}}</p>
+</div>