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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/length | |
| parent | 1109132f09d75da9a28b649c7677bb6ce07c40c0 (diff) | |
| download | translated-content-da78a9e329e272dedb2400b79a3bdeebff387d47.tar.gz translated-content-da78a9e329e272dedb2400b79a3bdeebff387d47.tar.bz2 translated-content-da78a9e329e272dedb2400b79a3bdeebff387d47.zip | |
initial commit
Diffstat (limited to 'files/id/web/javascript/reference/global_objects/array/length')
| -rw-r--r-- | files/id/web/javascript/reference/global_objects/array/length/index.html | 145 |
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diff --git a/files/id/web/javascript/reference/global_objects/array/length/index.html b/files/id/web/javascript/reference/global_objects/array/length/index.html new file mode 100644 index 0000000000..6e8e9e3ae8 --- /dev/null +++ b/files/id/web/javascript/reference/global_objects/array/length/index.html @@ -0,0 +1,145 @@ +--- +title: Array.length +slug: Web/JavaScript/Reference/Global_Objects/Array/length +tags: + - Array + - JavaScript + - Property + - Reference +translation_of: Web/JavaScript/Reference/Global_Objects/Array/length +--- +<div>{{JSRef}}</div> + +<p>Properti array <code><strong>length</strong></code> merangkai atau mengembalikan angka dari sejumlah elemen pada array. berupa unsigned, 32-bit integer yang selalu lebih besar dari indeks array terbesar atau index array terakhir.</p> + +<pre class="brush: js">var items = ["sepatu", "kaos", "baju", "sweater"]; +items.length; + +// index terakhir "sweater" 3 +// returns 4</pre> + +<h2 id="Deskripsi">Deskripsi</h2> + +<p>Nilai properti <code>length</code> berupa integer positif dan nilainya lebih kecil dari 2 sampai 2 pangkat 32 (2<sup>32</sup>).</p> + +<p>Anda bisa merangkai properti <code>length</code> untuk memotong array kapanpun. Ketika anda memperpanjang array dengan mengubah properti <code>length</code>, nomor dari elemen sebenarnya tidak bertambah; contoh, jika anda merangkai <code>length</code> ke 3 ketika saat ini adalah 2, array tetap berisi 2 element. Dengan begitu, properti <code>length</code> tidak selalu menunjukkan jumlah angka dari nilai yang didefinisikan pada array. Lihat juga <a href="/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array#Relationship_between_length_and_numerical_properties" title="Relationship between length and numerical properties">Hubungan antara <code>length</code> dan properti numerik</a>.</p> + +<p>{{js_property_attributes(1, 0, 0)}}</p> + +<h2 id="Contoh">Contoh</h2> + +<h3 id="Iterasi_pada_array">Iterasi pada array</h3> + +<p>Pada contoh, <code>numbers</code> array diiterasikan melalui nilai properti array <code>length</code>. Nilai setiap elemen kemudian dikalikan.</p> + +<pre class="brush: js">var numbers = [1, 2, 3, 4, 5]; +var length = numbers.length; +for (var i = 0; i < length; i++) { + numbers[i] *= 2; +} +// numbers is now [2, 4, 6, 8, 10] +</pre> + +<h3 id="Memendekan_array">Memendekan array</h3> + +<p>Pada contoh memendekkan array <code>numbers</code> ke panjang array 3 jika panjang array sebenarnya lebih besar dari 3.</p> + +<pre class="brush: js">var numbers = [1,2,3,4,5]; + +if (numbers.length > 3) { + numbers.length = 3; +} + +console.log(numbers); // [1, 2, 3] +console.log(numbers.length); // 3 +</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('ES1')}}</td> + <td>{{Spec2('ES1')}}</td> + <td>Initial definition.</td> + </tr> + <tr> + <td>{{SpecName('ES5.1', '#sec-15.4.5.2', 'Array.length')}}</td> + <td>{{Spec2('ES5.1')}}</td> + <td> </td> + </tr> + <tr> + <td>{{SpecName('ES6', '#sec-properties-of-array-instances-length', 'Array.length')}}</td> + <td>{{Spec2('ES6')}}</td> + <td> </td> + </tr> + <tr> + <td>{{SpecName('ESDraft', '#sec-properties-of-array-instances-length', 'Array.length')}}</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>Fitur</th> + <th>Chrome</th> + <th>Firefox (Gecko)</th> + <th>Internet Explorer</th> + <th>Opera</th> + <th>Safari</th> + </tr> + <tr> + <td>Dukungan dasar</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + </tr> + </tbody> +</table> +</div> + +<div id="compat-mobile"> +<table class="compat-table"> + <tbody> + <tr> + <th>Fitur</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>Dukungan dasar</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatVersionUnknown}}</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> |
