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JS Reference Manual

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JS Reference Manual (Alphabetical Sorting)

JavaScript

JS Array
JS Boolean
JS Class
JS Date
JS Error
JS Global
JS JSON
JS Map
JS Math
JS Number
JS Promise
JS RegExp
JS Set
JS String
JS Object
JS Operator
JS Operator Precedence
JS Statement
JS Typed Array

Window

Window Object
Window Console
Window History
Window Location
Window Navigator
Window Screen

HTML DOM

HTML Document
HTML Element
HTML Attribute
HTML Event
HTML Event Object
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 Object

<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 Recommendations:

CodeW3C.coms magiske kasse

Option form attribute

HTML DOM Option objekt

Definition and Usage

form 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 containing the <option> element with id="apple":

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

Prøv det selv

Syntaks

optionObject.form

Tekniske detaljer

Returværdi:	Reference til formularelement, der indeholder valg. Hvis valget ikke er i formularen, returneres null.

Returværdi:

Reference til formularelement, der indeholder valg.

Hvis valget ikke er i formularen, returneres null.

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