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Diffstat (limited to 'files/ko/web/javascript/reference/global_objects/set/has')
-rw-r--r-- | files/ko/web/javascript/reference/global_objects/set/has/index.html | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/files/ko/web/javascript/reference/global_objects/set/has/index.html b/files/ko/web/javascript/reference/global_objects/set/has/index.html new file mode 100644 index 0000000000..016da46cfd --- /dev/null +++ b/files/ko/web/javascript/reference/global_objects/set/has/index.html @@ -0,0 +1,93 @@ +--- +title: Set.prototype.has() +slug: Web/JavaScript/Reference/Global_Objects/Set/has +tags: + - ECMAScript 2015 + - JavaScript + - Method + - Prototype + - Reference + - set +translation_of: Web/JavaScript/Reference/Global_Objects/Set/has +--- +<div>{{JSRef}}</div> + +<p><code><strong>has()</strong></code> 메서드는 <code>Set</code> 객체에 주어진 요소가 존재하는지 여부를 판별해 반환합니다.</p> + +<div>{{EmbedInteractiveExample("pages/js/set-prototype-has.html")}}</div> + + + +<h2 id="구문">구문</h2> + +<pre class="syntaxbox"><em>mySet</em>.has(<em>value</em>);</pre> + +<h3 id="매개변수">매개변수</h3> + +<dl> + <dt><code>value</code></dt> + <dd><code>Set</code> 객체에서 존재 여부를 판별할 값.</dd> +</dl> + +<h3 id="반환_값">반환 값</h3> + +<p><code>Set</code> 객체에 값이 존재하면 <code>true</code>, 아니면 <code>false</code>.</p> + +<div class="blockIndicator note"> +<p><strong>참고:</strong> 기술적으로, <code>has()</code>는 <a href="/ko/docs/Web/JavaScript/Equality_comparisons_and_sameness#등가0_같음"><code>sameValueZero</code></a> 알고리즘을 사용해 요소의 존재 여부를 판별합니다.</p> +</div> + +<h2 id="예제">예제</h2> + +<h3 id="has()_사용하기"><code>has()</code> 사용하기</h3> + +<pre class="brush: js">var mySet = new Set(); +mySet.add('foo'); + +mySet.has('foo'); // true +mySet.has('bar'); // false + +var set1 = new Set(); +var obj1 = {'key1': 1}; +set1.add(obj1); + +set1.has(obj1); // true +set1.has({'key1': 1}); // false, 형태만 같은 서로 다른 객체의 참조이기 때문 +set1.add({'key1': 1}); // set1의 요소가 2개로 늘어남 +</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('ES2015', '#sec-set.prototype.has', 'Set.prototype.has')}}</td> + <td>{{Spec2('ES2015')}}</td> + <td>Initial definition.</td> + </tr> + <tr> + <td>{{SpecName('ESDraft', '#sec-set.prototype.has', 'Set.prototype.has')}}</td> + <td>{{Spec2('ESDraft')}}</td> + <td> </td> + </tr> + </tbody> +</table> + +<h2 id="브라우저_호환성">브라우저 호환성</h2> + + + +<p>{{Compat("javascript.builtins.Set.has")}}</p> + +<h2 id="같이_보기">같이 보기</h2> + +<ul> + <li>{{jsxref("Set")}}</li> + <li>{{jsxref("Set.prototype.add()")}}</li> + <li>{{jsxref("Set.prototype.delete()")}}</li> +</ul> |