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HTML <option> tag
Function:
The HTML <option> tag is used within a form for defining options in the drop-down list.
Difference between HTML and XHTML:
NONE
Example:
<form action="/cgi-bin/dropdown.cgi" method="post">
<select name="dropdown">
<option value="Maths" selected>Maths</option>
<option value="Physics">Physics</option>
</select>
<input type="submit" value="Submit" />
</form>
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This will produce following result:
Online Practice:
To Become more comfortable - Do Online Practice
Attributes:
Attribute | Value | Description |
disabled | disabled | Disables the input control. The button won't accept changes from the user. It also cannot receive focus and will be skipped when tabbing. |
label | text | Defines a label to use when using <optgroup>. |
selected | selected | Defines the default option to be selected when page loads. |
value | text | Specifies the value of the option to be sent to the server |
Standard Attributes:
Attribute | Description |
class | Document wide identifier |
dir | Specifies the direction of the text |
id | Document wide identifier |
title | Specifies a title to associate with the element. |
style | Helps to include inline casecadubf style sheet. |
lang | Sets the language code. |
xml:lang | Sets the language code. |
tabindex | Helps determine the tabbing order |
Event Attributes:
Attribute | Description |
onclick | Script runs when a mouse click |
ondblclick | Script runs when a mouse double-click |
onmousedown | Script runs when mouse button is pressed |
onmouseup | Script runs when mouse button is released |
onmouseover | Script runs when mouse pointer moves over an element |
onmousemove | Script runs when mouse pointer moves |
onmouseout | Script runs when mouse pointer moves out of an element |
onkeypress | Script runs when key is pressed and released |
onkeydown | Script runs when key is pressed |
onkeyup | Script runs when key is released |
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