diff options
author | Peter Bengtsson <mail@peterbe.com> | 2020-12-08 21:46:22 -0500 |
---|---|---|
committer | Peter Bengtsson <mail@peterbe.com> | 2020-12-08 21:46:22 -0500 |
commit | a065e04d529da1d847b5062a12c46d916408bf32 (patch) | |
tree | fe0f8bcec1ff39a3c499a2708222dcf15224ff70 /files/ru/web/javascript/reference/statements | |
parent | 218934fa2ed1c702a6d3923d2aa2cc6b43c48684 (diff) | |
download | translated-content-a065e04d529da1d847b5062a12c46d916408bf32.tar.gz translated-content-a065e04d529da1d847b5062a12c46d916408bf32.tar.bz2 translated-content-a065e04d529da1d847b5062a12c46d916408bf32.zip |
update based on https://github.com/mdn/yari/issues/2028
Diffstat (limited to 'files/ru/web/javascript/reference/statements')
-rw-r--r-- | files/ru/web/javascript/reference/statements/for_each...in/index.html | 126 |
1 files changed, 0 insertions, 126 deletions
diff --git a/files/ru/web/javascript/reference/statements/for_each...in/index.html b/files/ru/web/javascript/reference/statements/for_each...in/index.html deleted file mode 100644 index c609f436c0..0000000000 --- a/files/ru/web/javascript/reference/statements/for_each...in/index.html +++ /dev/null @@ -1,126 +0,0 @@ ---- -title: for each...in -slug: Web/JavaScript/Reference/Statements/for_each...in -translation_of: Archive/Web/JavaScript/for_each...in ---- -<div>{{jsSidebar("Statements")}}</div> - -<div class="warning"> -<p>Конструкция <code>for each...in</code> заявлена как "deprecated", как часть стандарта ECMA-357 (<a href="/en-US/docs/Archive/Web/E4X" title="/en-US/docs/E4X">E4X</a>). Поддержка E4X была удалена. Вместо <code>for each...in</code> рассмотрите использование <a href="/en-US/docs/Web/JavaScript/Reference/Statements/for...of">for...of</a>. (Пожалуйста обратите внимание: {{ bug("791343")}}.)<br> - <br> - <strong>Firefox теперь предупреждает об использовании <code>for each...in</code> и <code>for each...in</code> удаляется из ночных сборок. Пожалуйста, посмотрите <a href="/en-US/docs/Web/JavaScript/Reference/Errors/For-each-in_loops_are_deprecated">Warning: JavaScript 1.6's for-each-in loops are deprecated</a> для помощи в миграции.</strong></p> -</div> - -<p><strong>Выражение</strong> <code><strong>for each...in</strong></code> выполняет перебор свойств указанного объекта. Для каждого свойства выполняется указанный оператор.</p> - -<h2 id="Синтаксис">Синтаксис</h2> - -<pre class="syntaxbox">for each (<em>variable</em> in <em>object</em>) { - <em>statement</em> -}</pre> - -<dl> - <dt><code>variable</code></dt> - <dd>Variable to iterate over property values, optionally declared with the <code>var</code> keyword. This variable is local to the function, not to the loop.</dd> -</dl> - -<dl> - <dt><code>object</code></dt> - <dd>Object for which the properties are iterated.</dd> -</dl> - -<dl> - <dt><code>statement</code></dt> - <dd>A statement to execute for each property. To execute multiple statements within the loop, use a <a href="/en-US/docs/Web/JavaScript/Reference/Statements/block">block</a> statement (<code>{ ... }</code>) to group those statements.</dd> -</dl> - -<h2 id="Description">Description</h2> - -<p>Some built-in properties are not iterated over. These include all built-in methods of objects, e.g. <code>String</code>'s <code>indexOf</code> method. However, all user-defined properties are iterated over.</p> - -<h2 id="Examples">Examples</h2> - -<h3 id="Using_for_each...in">Using <code>for each...in</code></h3> - -<p><strong>Warning:</strong> Never use a loop like this on arrays. Only use it on objects. See <a href="/en-US/docs/Web/JavaScript/Reference/Statements/for...in"><code>for...in</code></a> for more details.</p> - -<p>The following snippet iterates over an object's properties, calculating their sum:</p> - -<pre class="brush:js">var sum = 0; -var obj = {prop1: 5, prop2: 13, prop3: 8}; - -for each (var item in obj) { - sum += item; -} - -console.log(sum); // logs "26", which is 5+13+8</pre> - -<h2 id="Specifications">Specifications</h2> - -<p>Not part of a current ECMA-262 specification. Implemented in JavaScript 1.6 and deprecated.</p> - -<h2 id="Браузерная_совместимость">Браузерная совместимость</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>{{CompatNo}}</td> - <td>{{CompatGeckoDesktop("1.8")}}</td> - <td>{{CompatNo}}</td> - <td>{{CompatNo}}</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>{{CompatNo}}</td> - <td>{{CompatGeckoMobile("1.0")}}</td> - <td>{{CompatNo}}</td> - <td>{{CompatNo}}</td> - <td>{{CompatNo}}</td> - </tr> - </tbody> -</table> -</div> - -<h2 id="Firefox_specific_note">Firefox specific note</h2> - -<ul> - <li><code>for each...in</code> удалён только из Nightly Firefox 53</li> -</ul> - -<h2 id="Смотрите_также">Смотрите также</h2> - -<ul> - <li><code><a href="/en-US/docs/Web/JavaScript/Reference/Statements/for...in">for...in</a></code> - аналогичный оператор по перебору <em>имён</em> свойств.</li> - <li><code><a href="/en-US/docs/Web/JavaScript/Reference/Statements/for...of">for...of</a></code> - аналогичный оператор, перебирающий <em>значения</em> свойств, но может быть использован только для перебираемых (iteratable) типов, so not for generic objects</li> - <li><code><a href="/en-US/docs/JavaScript/Reference/Statements/for">for</a></code></li> -</ul> |