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JavaScript & HTML DOM Reference Manual

Overview

JavaScript Object

JavaScript Array Object JavaScript Boolean Object JavaScript Date Object JavaScript Math Object JavaScript Number Object JavaScript String Object JavaScript RegExp Object JavaScript Global properties / functions JavaScript Operator

Browser Object

Window Object Navigator Object Screen Object History Object Location Object

DOM Object

HTML DOM Document Object HTML DOM Element object HTML DOM Attribute object HTML DOM Event object

HTML Object

<a> <area> <audio> <base> <blockquote> <body> <button> <canvas> <col> <colgroup> <datalist> <del> <details> <dialog> <embed> <fieldset> <form> <iframe> <frameset > <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> - range <input> - password <input> - radio <input> - reset <input> - search <input> - submit <input> - text <input> - time <input> - url <input> - week <keygen> <link> <label> <legend> <li> <map> <menu> <menuItem> <meta> <meter> <object> <ol> <optgroup> <option> <param> <progress> <q> <script> <select> <source> <style> <table> <td> <th> <tr> <textarea> <title> <time> <track> <video>

HTML DOM OptionGroup label attribute

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OptionGroup objects

Examples

Change the label option group / description:

document.getElementById("myOptgroup").label="A Random Car Selection";

Definition and Usage

label property sets or returns the value of the label property option group.

label attribute specifies the label option group / description.

Browser Support

All major browsers support the label property.

grammar

Back label properties:

optiongroupObject .label

Set label properties:

optiongroupObject .label= text

Property Value

值	描述
text	规定选项组的标签/描述。

technical details

return value:	String representing the label option group.

More examples

Examples

Back Tab Options Group / Description:

var x = document.getElementById("myOptgroup").label;
document.getElementById("demo").innerHTML=x;

x The output is:

Swedish Cars

related articles

HTML Reference Manual: HTML <optgroup> label attribute

OptionGroup objects

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