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+---
+title: Math.fround()
+slug: Web/JavaScript/Reference/Global_Objects/Math/fround
+tags:
+  - JavaScript
+  - Math
+  - Method
+  - Reference
+translation_of: Web/JavaScript/Reference/Global_Objects/Math/fround
+---
+<div>{{JSRef}}</div>
+
+<p><strong><code>Math.fround()</code></strong> 함수는 <a class="external" href="https://en.wikipedia.org/wiki/Single-precision_floating-point_format" title="link to the wikipedia page on single-precision floating-point format">single precision</a> 포맷으로 표현할 수 있는 실수들 중에서 가장 가까운 숫자를 리턴합니다.</p>
+
+<h2 id="문법">문법</h2>
+
+<pre class="syntaxbox"><code>Math.fround(<var>x</var>)</code></pre>
+
+<h3 id="파라메터">파라메터</h3>
+
+<dl>
+ <dt><code>x</code></dt>
+ <dd>숫자.</dd>
+</dl>
+
+<h2 id="설명">설명</h2>
+
+<p><code>fround()</code> 가 <code>Math</code> 객체의 정적 메소드이기 때문에, 반드시 <code>Math.fround()</code> 같은 형태로 사용해야 합니다. <code>Math</code> 객체를 직접 만들어서 호출하는 방식으로 사용하지 않습니다 (<code>Math</code> 는 생성자가 아닙니다).</p>
+
+<h2 id="예제">예제</h2>
+
+<h3 id="Math.fround()_사용법"><code>Math.fround() 사용법</code></h3>
+
+<pre class="brush: js">Math.fround(0);     // 0
+Math.fround(1);     // 1
+Math.fround(1.337); // 1.3370000123977661
+Math.fround(1.5);   // 1.5
+Math.fround(NaN);   // NaN
+</pre>
+
+<h2 id="Polyfill">Polyfill</h2>
+
+<p>만약 {{jsxref("Float32Array")}} 가 지원된다면, Math.fround() 를 다음 함수로 흉내낼 수 있습니다.</p>
+
+<pre class="brush: js">Math.fround = Math.fround || (function (array) {
+  return function(x) {
+    return array[0] = x, array[0];
+  };
+})(Float32Array(1));
+</pre>
+
+<h2 id="스펙">스펙</h2>
+
+<table class="standard-table">
+ <tbody>
+  <tr>
+   <th scope="col">스펙</th>
+   <th scope="col">상태</th>
+   <th scope="col">비고</th>
+  </tr>
+  <tr>
+   <td>{{SpecName('ES6', '#sec-math.fround', 'Math.fround')}}</td>
+   <td>{{Spec2('ES6')}}</td>
+   <td>초기 정의.</td>
+  </tr>
+  <tr>
+   <td>{{SpecName('ESDraft', '#sec-math.fround', 'Math.fround')}}</td>
+   <td>{{Spec2('ESDraft')}}</td>
+   <td> </td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="브라우저_호환성">브라우저 호환성</h2>
+
+<div>{{CompatibilityTable}}</div>
+
+<div id="compat-desktop">
+<table class="compat-table">
+ <tbody>
+  <tr>
+   <th>Feature</th>
+   <th>Chrome</th>
+   <th>Firefox (Gecko)</th>
+   <th>Internet Explorer</th>
+   <th>Opera</th>
+   <th>Safari</th>
+  </tr>
+  <tr>
+   <td>Basic support</td>
+   <td>{{CompatChrome("38")}}</td>
+   <td>{{CompatGeckoDesktop("26")}}</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatOpera("25")}}</td>
+   <td>{{CompatSafari("7.1")}}</td>
+  </tr>
+ </tbody>
+</table>
+</div>
+
+<div id="compat-mobile">
+<table class="compat-table">
+ <tbody>
+  <tr>
+   <th>Feature</th>
+   <th>Android</th>
+   <th>Chrome for Android</th>
+   <th>Firefox Mobile (Gecko)</th>
+   <th>IE Mobile</th>
+   <th>Opera Mobile</th>
+   <th>Safari Mobile</th>
+  </tr>
+  <tr>
+   <td>Basic support</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatVersionUnknown}}</td>
+   <td>{{CompatNo}}</td>
+   <td>{{CompatNo}}</td>
+   <td>8</td>
+  </tr>
+ </tbody>
+</table>
+</div>
+
+<h2 id="See_also">See also</h2>
+
+<ul>
+ <li>{{jsxref("Math.round()")}}</li>
+</ul>