--- title: ReferenceError slug: Web/JavaScript/Reference/Global_Objects/ReferenceError translation_of: Web/JavaScript/Reference/Global_Objects/ReferenceError --- <div>{{JSRef}}</div> <div> <p><code><strong>ReferenceError</strong></code> 객체는 존재하지 않는 변수를 참조했을 때 발생하는 에러를 나타냅니다.</p> </div> <h2 id="문법">문법</h2> <pre class="syntaxbox"><code>new ReferenceError([<var>message</var>[, <var>fileName</var>[, <var>lineNumber</var>]]])</code></pre> <h3 id="파라미터">파라미터</h3> <dl> <dt><code>message</code></dt> <dd>선택사항. 에러에 대한 설명문</dd> <dt><code>fileName</code> {{non-standard_inline}}</dt> <dd>선택사항. 예외가 발생한 코드를 포함하는 파일의 이름</dd> <dt><code>lineNumber</code> {{non-standard_inline}}</dt> <dd>선택사항. 예외가 발생한 코드의 줄 번호</dd> </dl> <h2 id="설명">설명</h2> <p><strong><code>ReferenceError</code></strong>는 선언된 적이 없는 변수를 참조하려고 할 때 발생합니다.</p> <h2 id="프로퍼티">프로퍼티</h2> <dl> <dt>{{jsxref("ReferenceError.prototype")}}</dt> <dd>ReferenceError 객체에 프로퍼티를 추가할 수 있습니다.</dd> </dl> <h2 id="메서드">메서드</h2> <p>전역 ReferenceError는 메서드를 가지고 있지 않습니다. 그러나 상속 관계에서 프로토타입 체인을 통해 일부 메서드를 가질 수 있습니다.</p> <h2 id="ReferenceError_인스턴스"><code>ReferenceError</code> 인스턴스</h2> <h3 id="프로퍼티_2">프로퍼티</h3> <div>{{page('/ko-KR/docs/Web/JavaScript/Reference/Global_Objects/ReferenceError/prototype', 'Properties')}}</div> <h3 id="메서드_2">메서드</h3> <div>{{page('/ko-KR/docs/Web/JavaScript/Reference/Global_Objects/ReferenceError/prototype', 'Methods')}}</div> <h2 id="예제">예제</h2> <h3 id="ReferenceError_처리하기"><code>ReferenceError</code> 처리하기</h3> <pre class="brush: js">try { var a = undefinedVariable; } catch (e) { console.log(e instanceof ReferenceError); // true console.log(e.message); // "undefinedVariable is not defined" console.log(e.name); // "ReferenceError" console.log(e.fileName); // "Scratchpad/1" console.log(e.lineNumber); // 2 console.log(e.columnNumber); // 6 console.log(e.stack); // "@Scratchpad/2:2:7\n" } </pre> <h3 id="ReferenceError_생성하기"><code>ReferenceError</code> 생성하기</h3> <pre class="brush: js">try { throw new ReferenceError('Hello', 'someFile.js', 10); } catch (e) { console.log(e instanceof ReferenceError); // true console.log(e.message); // "Hello" console.log(e.name); // "ReferenceError" console.log(e.fileName); // "someFile.js" console.log(e.lineNumber); // 10 console.log(e.columnNumber); // 0 console.log(e.stack); // "@Scratchpad/2:2:9\n" } </pre> <h2 id="명세">명세</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('ES3')}}</td> <td>{{Spec2('ES3')}}</td> <td>Initial definition.</td> </tr> <tr> <td>{{SpecName('ES5.1', '#sec-15.11.6.3', 'ReferenceError')}}</td> <td>{{Spec2('ES5.1')}}</td> <td> </td> </tr> <tr> <td>{{SpecName('ES6', '#sec-native-error-types-used-in-this-standard-referenceerror', 'ReferenceError')}}</td> <td>{{Spec2('ES6')}}</td> <td> </td> </tr> <tr> <td>{{SpecName('ESDraft', '#sec-native-error-types-used-in-this-standard-referenceerror', 'ReferenceError')}}</td> <td>{{Spec2('ESDraft')}}</td> <td> </td> </tr> </tbody> </table> <h2 id="브라우저_호환성">브라우저 호환성</h2> <div> <p>{{Compat("javascript.builtins.ReferenceError")}}</p> </div> <h2 id="참고">참고</h2> <ul> <li>{{jsxref("Error")}}</li> <li>{{jsxref("ReferenceError.prototype")}}</li> </ul>