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diff --git a/files/ko/web/javascript/reference/global_objects/object/observe/index.html b/files/ko/web/javascript/reference/global_objects/object/observe/index.html deleted file mode 100644 index bf3b004d8c..0000000000 --- a/files/ko/web/javascript/reference/global_objects/object/observe/index.html +++ /dev/null @@ -1,193 +0,0 @@ ---- -title: Object.observe() -slug: Web/JavaScript/Reference/Global_Objects/Object/observe -tags: - - 감시 객체 -translation_of: Archive/Web/JavaScript/Object.observe ---- -<div>{{JSRef}}</div> - -<p><strong><code>Object.observe()</code></strong> 메소드는 객체의 변화를 비동기로 감시하는데에 사용된다. 이 메소드는 변화들이 발생한 순서대로 그 흐름을 제공한다.</p> - -<h2 id="문법">문법</h2> - -<pre class="syntaxbox"><code>Object.observe(<var>obj</var>, <var>callback</var>[, <var>acceptList</var>])</code></pre> - -<h3 id="파라미터">파라미터</h3> - -<dl> - <dt><code>obj</code></dt> - <dd>감시될 객체입니다.</dd> - <dt><code>callback</code></dt> - <dd><code>obj</code>의 변경이 일어났을 때마다 호출될 함수입니다. 다음과 같은 인자를 갖습니다. - <dl> - <dt><code>changes</code></dt> - <dd>변경 사항을 나타내는 객체의 배열입니다. 그 객체의 프로퍼티는 다음과 같습니다. - <ul> - <li><strong><code>name</code></strong>: 변경된 프로퍼티의 이름입니다.</li> - <li><strong><code>object</code></strong>: 변경이 일어난 뒤의 객체입니다.</li> - <li><strong><code>type</code></strong>: 변경의 종류를 의미하는 string입니다. <code>"add"</code>, <code>"update"</code>, <code>"delete"</code> 중 하나입니다.</li> - <li><strong><code>oldValue</code></strong>: 변경되기 이전의 값입니다. <code>"update"와</code> <code>"delete"</code> 타입에만 존재합니다.</li> - </ul> - </dd> - </dl> - </dd> - <dt><code>acceptList</code></dt> - <dd>감시할 변경의 종류를 의미하는 리스트입니다. 주어지지 않은 경우, 배열 <code>["add", "update", "delete", "reconfigure", "setPrototype", "preventExtensions"]</code> 이 이용될 것입니다.</dd> -</dl> - -<h2 id="설명">설명</h2> - -<p><code>callback</code>은 <code>obj</code>에 변경이 있을 때마다 실행되며, 모든 변경 사항이 일어난 순서대로 담긴 배열이 전달됩니다.</p> - -<h2 id="예제">예제</h2> - -<h3 id="Logging_all_six_different_types">Logging all six different types</h3> - -<pre class="brush: js">var obj = { - foo: 0, - bar: 1 -}; - -Object.observe(obj, function(changes) { - console.log(changes); -}); - -obj.baz = 2; -// [{name: 'baz', object: <obj>, type: 'add'}] - -obj.foo = 'hello'; -// [{name: 'foo', object: <obj>, type: 'update', oldValue: 0}] - -delete obj.baz; -// [{name: 'baz', object: <obj>, type: 'delete', oldValue: 2}] - -Object.defineProperty(obj, 'foo', {writable: false}); -// [{name: 'foo', object: <obj>, type: 'reconfigure'}] - -Object.setPrototypeOf(obj, {}); -// [{name: '__proto__', object: <obj>, type: 'setPrototype', oldValue: <prototype>}] - -Object.seal(obj); -// [ -// {name: 'foo', object: <obj>, type: 'reconfigure'}, -// {name: 'bar', object: <obj>, type: 'reconfigure'}, -// {object: <obj>, type: 'preventExtensions'} -// ] -</pre> - -<h3 id="데이터_바인딩">데이터 바인딩</h3> - -<pre class="brush: js">// A user model -var user = { - id: 0, - name: 'Brendan Eich', - title: 'Mr.' -}; - -// Create a greeting for the user -function updateGreeting() { - user.greeting = 'Hello, ' + user.title + ' ' + user.name + '!'; -} -updateGreeting(); - -Object.observe(user, function(changes) { - changes.forEach(function(change) { - // Any time name or title change, update the greeting - if (change.name === 'name' || change.name === 'title') { - updateGreeting(); - } - }); -}); -</pre> - -<h3 id="Custom_change_type">Custom change type</h3> - -<pre class="brush: js">// A point on a 2D plane -var point = {x: 0, y: 0, distance: 0}; - -function setPosition(pt, x, y) { - // Performing a custom change - Object.getNotifier(pt).performChange('reposition', function() { - var oldDistance = pt.distance; - pt.x = x; - pt.y = y; - pt.distance = Math.sqrt(x * x + y * y); - return {oldDistance: oldDistance}; - }); -} - -Object.observe(point, function(changes) { - console.log('Distance change: ' + (point.distance - changes[0].oldDistance)); -}, ['reposition']); - -setPosition(point, 3, 4); -// Distance change: 5 -</pre> - -<h2 id="Specifications">Specifications</h2> - -<p><a href="https://github.com/arv/ecmascript-object-observe">Strawman proposal for ECMAScript 7</a>.</p> - -<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("36")}}</td> - <td>{{CompatNo}} [1]</td> - <td>{{CompatNo}} [2]</td> - <td>{{CompatOpera("23")}}</td> - <td>{{CompatNo}}</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>{{CompatChrome("36")}}</td> - <td>{{CompatNo}} [1]</td> - <td>{{CompatNo}} [2]</td> - <td>{{CompatOpera("23")}}</td> - <td>{{CompatNo}}</td> - </tr> - </tbody> -</table> -</div> - -<p>[1]: See {{bug(800355)}}</p> - -<p>[2]: See relevant <a href="https://dev.modern.ie/platform/status/objectobserve/">MS Edge platform status entry</a></p> - -<h2 id="같이_보기">같이 보기</h2> - -<ul> - <li>{{jsxref("Object.unobserve()")}} {{experimental_inline}}</li> - <li>{{jsxref("Array.observe()")}} {{experimental_inline}}</li> -</ul> |