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author | Peter Bengtsson <mail@peterbe.com> | 2020-12-08 14:42:17 -0500 |
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committer | Peter Bengtsson <mail@peterbe.com> | 2020-12-08 14:42:17 -0500 |
commit | da78a9e329e272dedb2400b79a3bdeebff387d47 (patch) | |
tree | e6ef8aa7c43556f55ddfe031a01cf0a8fa271bfe /files/id/web/javascript/reference/global_objects/array/isarray/index.html | |
parent | 1109132f09d75da9a28b649c7677bb6ce07c40c0 (diff) | |
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diff --git a/files/id/web/javascript/reference/global_objects/array/isarray/index.html b/files/id/web/javascript/reference/global_objects/array/isarray/index.html new file mode 100644 index 0000000000..152b6cdfd0 --- /dev/null +++ b/files/id/web/javascript/reference/global_objects/array/isarray/index.html @@ -0,0 +1,144 @@ +--- +title: Array.isArray() +slug: Web/JavaScript/Reference/Global_Objects/Array/isArray +tags: + - Array + - ECMAScript5 + - polyfill +translation_of: Web/JavaScript/Reference/Global_Objects/Array/isArray +--- +<div>{{JSRef}}</div> + +<p>Method <code><strong>Array.isArray()</strong></code> mengembalikan nilai <code>true</code> jika objek adalah array, <code>false</code> jika bukan.</p> + +<h2 id="Sintaks">Sintaks</h2> + +<pre class="syntaxbox"><code>Array.isArray(<var>obj</var>)</code></pre> + +<h3 id="Parameter">Parameter</h3> + +<dl> + <dt><code>obj</code></dt> + <dd>Objek yang di cek.</dd> +</dl> + +<h2 id="Deskripsi">Deskripsi</h2> + +<p>Baca artikel <a href="http://web.mit.edu/jwalden/www/isArray.html">“Determining with absolute accuracy whether or not a JavaScript object is an array”</a> untuk detailnya.</p> + +<h2 id="Contoh">Contoh</h2> + +<pre class="brush: js">// semuanya mengembalikan nilai true +Array.isArray([]); +Array.isArray([1]); +Array.isArray(new Array()); +// Sekedar fakta : Array.prototype sendiri adalah array: +Array.isArray(Array.prototype); + +// semua mengembalikan nilai false +Array.isArray(); +Array.isArray({}); +Array.isArray(null); +Array.isArray(undefined); +Array.isArray(17); +Array.isArray('Array'); +Array.isArray(true); +Array.isArray(false); +Array.isArray({ __proto__: Array.prototype }); +</pre> + +<h2 id="Polyfill">Polyfill</h2> + +<p>Jalankan kode berikut sebelum kode lain untuk membuat method <code>Array.isArray()</code> jika secara native tidak tersedia.</p> + +<pre class="brush: js">if (!Array.isArray) { + Array.isArray = function(arg) { + return Object.prototype.toString.call(arg) === '[object Array]'; + }; +} +</pre> + +<h2 id="Spesifikasi">Spesifikasi</h2> + +<table class="standard-table"> + <tbody> + <tr> + <th scope="col">Spesifikasi</th> + <th scope="col">Status</th> + <th scope="col">Comment</th> + </tr> + <tr> + <td>{{SpecName('ES5.1', '#sec-15.4.3.2', 'Array.isArray')}}</td> + <td>{{Spec2('ES5.1')}}</td> + <td>Initial definition. Implemented in JavaScript 1.8.5.</td> + </tr> + <tr> + <td>{{SpecName('ES6', '#sec-array.isarray', 'Array.isArray')}}</td> + <td>{{Spec2('ES6')}}</td> + <td> </td> + </tr> + <tr> + <td>{{SpecName('ESDraft', '#sec-array.isarray', 'Array.isArray')}}</td> + <td>{{Spec2('ESDraft')}}</td> + <td> </td> + </tr> + </tbody> +</table> + +<h2 id="Kompabilitas_Browser">Kompabilitas Browser</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("5")}}</td> + <td>{{CompatGeckoDesktop("2.0")}}</td> + <td>{{CompatIE("9")}}</td> + <td>{{CompatOpera("10.5")}}</td> + <td>{{CompatSafari("5")}}</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>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatGeckoMobile("2.0")}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + </tr> + </tbody> +</table> +</div> + +<h2 id="Lihat_Juga">Lihat Juga</h2> + +<ul> + <li>{{jsxref("Array")}}</li> +</ul> |