aboutsummaryrefslogtreecommitdiff
path: root/files/ru/web/javascript/reference/global_objects/weakset/has/index.html
diff options
context:
space:
mode:
authorPeter Bengtsson <mail@peterbe.com>2020-12-08 14:42:52 -0500
committerPeter Bengtsson <mail@peterbe.com>2020-12-08 14:42:52 -0500
commit074785cea106179cb3305637055ab0a009ca74f2 (patch)
treee6ae371cccd642aa2b67f39752a2cdf1fd4eb040 /files/ru/web/javascript/reference/global_objects/weakset/has/index.html
parentda78a9e329e272dedb2400b79a3bdeebff387d47 (diff)
downloadtranslated-content-074785cea106179cb3305637055ab0a009ca74f2.tar.gz
translated-content-074785cea106179cb3305637055ab0a009ca74f2.tar.bz2
translated-content-074785cea106179cb3305637055ab0a009ca74f2.zip
initial commit
Diffstat (limited to 'files/ru/web/javascript/reference/global_objects/weakset/has/index.html')
-rw-r--r--files/ru/web/javascript/reference/global_objects/weakset/has/index.html124
1 files changed, 124 insertions, 0 deletions
diff --git a/files/ru/web/javascript/reference/global_objects/weakset/has/index.html b/files/ru/web/javascript/reference/global_objects/weakset/has/index.html
new file mode 100644
index 0000000000..abd00581e2
--- /dev/null
+++ b/files/ru/web/javascript/reference/global_objects/weakset/has/index.html
@@ -0,0 +1,124 @@
+---
+title: WeakSet.prototype.has()
+slug: Web/JavaScript/Reference/Global_Objects/WeakSet/has
+tags:
+ - ECMAScript6
+ - JavaScript
+ - Method
+ - Prototype
+ - WeakSet
+translation_of: Web/JavaScript/Reference/Global_Objects/WeakSet/has
+---
+<div>{{JSRef("Global_Objects", "WeakSet")}}</div>
+
+<p>Метод <code><strong>has()</strong></code> определяет, содержит ли WeakSet определённый элемент, возвращая в зависимости от этого true или false. </p>
+
+<h2 id="Syntax" name="Syntax">Синтаксис</h2>
+
+<pre class="syntaxbox"><code><em>ws</em>.has(value);</code></pre>
+
+<h3 id="Parameters" name="Parameters">Параметры</h3>
+
+<dl>
+ <dt>value</dt>
+ <dd>Обязателен. Искомый объект.</dd>
+</dl>
+
+<h3 id="Returns" name="Returns">Возвращаемое значение</h3>
+
+<dl>
+ <dt>Boolean</dt>
+ <dd>Если объект был найден в WeakSet вернёт true, иначе false.</dd>
+</dl>
+
+<h2 id="Examples" name="Examples">Примеры</h2>
+
+<h3 id="Example:Using_the_has_method" name="Example:Using_the_has_method">Использование метода <code>has</code> </h3>
+
+<pre class="brush: js">var ws = new WeakSet();
+var obj = {};
+ws.add(window);
+
+mySet.has(window); // вернёт true
+mySet.has(obj); // вернёт false
+</pre>
+
+<h2 id="Specifications" name="Specifications">Спецификации</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('ES6', '#sec-weakset.prototype.has', 'WeakSet.prototype.has')}}</td>
+ <td>{{Spec2('ES6')}}</td>
+ <td>Изначальное определение.</td>
+ </tr>
+ <tr>
+ <td>{{SpecName('ESDraft', '#sec-weakset.prototype.has', 'WeakSet.prototype.has')}}</td>
+ <td>{{Spec2('ESDraft')}}</td>
+ <td> </td>
+ </tr>
+ </tbody>
+</table>
+
+<h2 id="Browser_compatibility" name="Browser_compatibility">Совместимость с браузерами</h2>
+
+<p>{{CompatibilityTable}}</p>
+
+<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>36</td>
+ <td>{{CompatGeckoDesktop(34)}}</td>
+ <td>{{CompatNo}}</td>
+ <td>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>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>{{ CompatGeckoMobile(34) }}</td>
+ <td>{{CompatNo}}</td>
+ <td>{{CompatNo}}</td>
+ <td>{{CompatNo}}</td>
+ </tr>
+ </tbody>
+</table>
+</div>
+
+<h2 id="See_also" name="See_also">Смотрите также</h2>
+
+<ul>
+ <li>{{jsxref("WeakSet")}}</li>
+ <li>{{jsxref("WeakSet.prototype.add()")}}</li>
+ <li>{{jsxref("WeakSet.prototype.delete()")}}</li>
+</ul>