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HTML Attributes Complete Reference

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HTML Attributes: HTML attributes are the special words placed inside the opening tags and used to define the characteristics of an HTML element. The HTML attributes contain two parts, attribute name, and its value. The attribute pairs (attribute_name, attribute_value) are separated using equal (=) operator. The attribute value is closed inside double quotes (” “). 

The complete list of HTML attributes are given below:

Example: This example shows the basic use of HTML attributes.

HTML

<!DOCTYPE html>
<html>
<body>
    <center>
        <h1 style="color:green;font-style:italic;">
            GeeksForGeeks
        </h1>
        <h2 style="color:green;font-style:italic;">
            maxlength attribute
        </h2>
        <form action="">
            Username:
            <input type="text" name="username" maxlength="12">
            <br><br>
  
            Password:
            <input type="text" name="password" maxlength="10">
            <br><br>
  
            <input type="submit" value="Submit">
        </form>
    </center>
</body>
</html>

                    

Output:

 

HTML Attributes: The complete list of HTML attributes are given below. is used to set visible border width to most HTML elements within the body.

Attributes:

Description

Example

accept This attribute can be used with <input> element only.
accept-charset Define character encoding and is used for form submission.
accesskey The keyboard shortcuts to activate/focus specific elements.
action Specify where the form data is to be sent to the server after submission of the form.
align Specify the alignment of text content of The Element.
alt Show or display something if the primary attribute
async Only works for external scripts (and used only in when src attribute is present ).
autocomplete Specify whether the input field has autocompleted would be on or off.
autoplay The audio/video should automatically start playing when web page is loaded.
autofocus The element should get focused when the page loads. It is a boolean attribute.
bgcolor Set the background color of an HTML element.
border Set visible border width to most HTML elements within the body.
charset Define character encoding.
checked Indicate whether an element should be checked when the page loads up. It is a Boolean attribute.
cite Specify the URL of the document that explains the quotes, message or text which describes why the text was inserted.
Class Specifies one or more class names for an HTML element.
cols The number of columns a cell should span.
colspan HTML specifies the number of columns a cell should span.
content The values that are related to the http-equiv or name attribute.
contenteditable Specify whether the content present in the element is editable or not.
controls It is a Boolean attribute and also new in HTML5
coords Specify the coordinate of an area in an image-map
data Specify the URL of the Embedded file of the Object.
data-* Specific to HTML5 and you can use the data-* attribute on all HTML elements.
datetime Specify the date and time of the inserted and the deleted text.
default  Specify that the track will be enabled if the user’s preferences do not indicate that another track would be more appropriate.
defer Executed when the page has finished parsing.
dir The text direction of the element content.
dirname Enable the text direction of the input and the Textarea Field after submitting the form.
disabled The disabled attribute in HTML indicates whether the element is disabled or not.
download Download the element when the user clicks on the hyperlink
draggable Specify whether an element is draggable or not.
dropzone Specify whether the dragged data is copied, moved, or linked when it is dropped on any element.
enctype That data will be present in the form and should be encoded when submitted to the server.
for For Attribute is used in both the <label> and the <output> element.
form That the element can contain one or more forms
formaction Specify where to send the data of the form. After submission of the form, the formaction attribute is called.
headers The HTML headers attribute specifies one or additional header cells a table cell is expounded to.
height height attribute is used to specify the height of the Element.
hidden The hidden attribute in HTML is used to define the visibility of elements.
high The range where the value of gauge is considered to be of high value.
href It is used to specify the URL of the document.
hreflang The language for a linked document. It is used only when the href attribute is set.
http-equiv Provide header information or value of the content Attribute.
Id It is used by CSS and JavaScript to perform a certain task for a unique element.
ismap The HTML ismap attribute is a boolean attribute.
kind The kind of track. This attribute is only used in <Track> element.
label The title of the Text Track is used by the browser when listing available text tracks.
lang Specify the language of the element content.
list List of pre-defined options for an <input> element to suggest the user.
loop Restart the audio and video again and again after finishing it. It contains the Boolean value.
low The range where the value of gauge is considered to be low.
max Specifies the maximum value of an element.
maxlength The maximum number of characters in the <input> element. Its default value is 524288.
media Specify the media or device the coupled document is optimized for.
method The HTTP method is used to send data while submitting the form.
min Specify the lower bound of the gauge.
multiple Allowed to select more than one value that is present in an element.
muted The audio output of the video is muted, it is a Boolean attribute.
name Specify a name for the element.
novalidate That the form-data should not be validated when submitting the form.
onblur That moment when the element loses focus.
oncopy The user copied the content present in an element.
oncut The user cut or delete the content that has been present in the element.
onkeypress when a user presses a key on the Keyboard.
onmousedown Order of events occurs related to the onmousedown event.
onscroll This onscroll attribute works when an element scrollbar is being scrolled.
optimum The optimum attribute in HTML indicates the optimal numeric value for the gauge.
pattern Specifies a short hint that describes the expected value of an input field/text area.
placeholder Specifies a short hint that describes the expected value of an input field/text area.
readonly Specify that the text written in input or text area Element is read-only.
required Specify that the input element must be filled out before submitting the Form.
reversed Ordered the list in Descending Order(9, 8, 7, 6 …..) instead of ascending order(1, 2, 3 ….)
rows The number of visible text lines for the control i.e the number of rows to display.
rowspan The number of rows a cell should span.
selected Specify which option should be by default selected when the page loads.
size Specify the initial width for the input field and a number of visible rows for the select element.
spellcheck Applied to HTML forms using the spellcheck attribute.
srclang Specify the language of the track text.
start The start value for numbering the individual list item.
step Set the discrete step size of the <input> element.
style There are 3 ways of implementing style in HTML.
tabindex When the tab button is used for navigating.
target Specify where to open the linked document.
title Specify extra information about the element.
translate Specify whether the content of an element is translated or not.
value Specify the value of the element with which it is used.
wrap Specify in which manner the text is to be wrapped in a text area when a form is submitted.


Last Updated : 21 Nov, 2023
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