Kursplan

JS Referenshandbok

JS Referenshandbok (kategoriserad ordning)
JS Referenshandbok (alfabetisk ordning)

JavaScript

JS Array
JS Boolean
JS Klass
JS Datum
JS Error
JS Global
JS JSON
JS Map
JS Math
JS Nummer
JS Promise
JS RegExp
JS Set
JS Sträng
JS Objekt
JS Operator
JS Operator precedence
JS Uttryck
JS Typpade阵

Window

Window-objekt
Window Console
Window Historik
Window Läget
Window Navigatör
Window Skärm

HTML DOM

HTML Document
HTML Element
HTML Attribute
HTML Event
HTML Event-objekt
HTML Collection
HTML NodeList
HTML DOMTokenList
HTML Style

Web API

API Canvas
API Console
API Fetch
API Fullscreen
API Geolocation
API History
API MediaQueryList
API Storage
API Validation
Web-API

HTML-objekt

<a>
<abbr>
<address>
<area>
<article>
<aside>
<audio>
<b>
<base>
<bdo>
<blockquote>
<body>
<br>
<button>
<canvas>
<caption>
<cite>
<code>
<col>
<colgroup>
<datalist>
<dd>
<del>
<details>
<dfn>
<dialog>
<div>
<dl>
<dt>
<em>
<embed>
<fieldset>
<figcaption>
<figure>
<footer>
<form>
<head>
<header>
<h1> - <h6>
<hr>
<html>
<i>
<iframe>
<img>
<ins>
<input> button
<input> checkbox
<input> color
<input> date
<input> datetime
<input> datetime-local
<input> email
<input> file
<input> hidden
<input> image
<input> month
<input> number
<input> password
<input> radio
<input> range
<input> reset
<input> search
<input> submit
<input> text
<input> time
<input> url
<input> week
<kbd>
<label>
<legend>
<li>
<link>
<map>
<mark>
<menu>
<menuitem>
<meta>
<meter>
<nav>
<object>
<ol>
<optgroup>
<option>
<output>
<p>
<param>
<pre>
<progress>
<q>
<s>
<samp>
<script>
<section>
<select>
<small>
<source>
<span>
<strong>
<sub>
<summary>
<sup>
<table>
<tbody>
<td>
<tfoot>
<th>
<thead>
<tr>
<textarea>
<time>
<title>
<track>
<u>
<ul>
<var>
<video>

Other Reference Manuals

CSSStyleDeclaration
JS Type Conversion

Elective Courses

Course Recommendation:

CodeW3C.coms gömfrid

Option form attribute

HTML DOM Option objekt

Definition and Usage

form The property returns a reference to the form containing the options.

This property returns the form object on success.

Example

Return the id of the form that contains the <option> element with id="apple":

var x = document.getElementById("apple").form.id;

Prova själv

Syntax

optionObject.form

Tekniska detaljer

Returvärde:	Referens till formulärelement som innehåller alternativ. Om alternativet inte finns i formuläret, returneras null.

Returvärde:

Referens till formulärelement som innehåller alternativ.

Om alternativet inte finns i formuläret, returneras null.

Webbläsarstöd

Chrome	Edge	Firefox	Safari	Opera
Chrome	Edge	Firefox	Safari	Opera
Stöd	Stöd	Stöd	Stöd	Stöd