HTML Tags - Image Tag

What is HTML Image <img> tag?

HTML <img> tag is used to display image on the web page.

Inserting images in the webpage improves the design and the appearance of a web page.

What are the attributes used for image tag?

There are four attributes used for image tag, listed below

1. src

2. alt

3. width

4. height

1. src

src attribute describes the source or path of the image.

This instructs the browser where to look for the image on the server.

2. alt

alt attribute defines an alternate text for the image.

alt attribute “value” describes the image in words.

alt attribute “value” is mainly used in SEO prospective, which will be discussed later.

alt attribute is optional param.

3. width

width attribute is used to specify the width to display the image.

width attribute is optional param.

4. height

height attribute is used to specify the height to display the image.

Usually this takes the height of <h3> as default.

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How to insert an image in webpage ?

There are three ways to insert image in webpage, listed below

1. Insert image directly from the same folder.

2. Insert image from any of the sub-folder.

3. Insert image from server or website.

1. Simple image insert with src attribute

Example :

<!DOCTYPE html>
<html>
        <head>
                <title>Image tag</title>
        </head>
        <body>
                <img src="html-icon-copyright-img-frontpage.png">
        </body>
        </html>

Output :

2. Insert image with other attributes / Insert image directly from the same folder.

Example :

<!DOCTYPE html>
<html>
        <head>
                <title>Image tag</title>
        </head>
        <body>
                <img src="html-icon-copyright-img-frontpage.png" alt="HTML Topics Tutorials" width="200px" height="400px">
        </body>
        </html>

Output :

3. Insert image from any of the sub-folder.

Example :

<!DOCTYPE html>
<html>
        <head>
                <title>Image tag</title>
        </head>
        <body>
                <img src="../images/html-icon-copyright-img-frontpage.png" alt="HTML Topics Tutorials" width="200px" height="400px">
        </body>
        </html>

Output :

4. Insert image from server or website.

Example :

<!DOCTYPE html>
<html>
        <head>
                <title>Image tag</title>
        </head>
        <body>
                <img src="https://secureservercdn.net/192.169.221.188/s30.e0b.myftpupload.com/wp-content/uploads/2020/06/core-java-copyright-img-1.png" alt="Core Java Topics Tutorials" width="200px" height="400px">
        </body>
        </html>

Output :

<img> Tag Attributes

HTML <img> tag support following specific attributes.

Sno	Attributes	Value	Description
1	alt	text	Specify an alternate text of an image.
2	crossorigin	anonymous use-credentials	This attribute allow to load images from an Cross-0rigin access (Other sites).
3	height	pixels	Specify the height of an image.
4	ismap	ismap	Specify an image as a server side image map.
5	longdesc	URL	Specify an URL that contains details description of an image.
6	src	URL	Specify an URL of an image.
7	usemap	#idname	Specify an image as a client-side image-map.
8	width	pixels	Specify the width of an image.
9	Following attributes has been removed in HTML5.
10	align	left right top middle bottom	Specify the alignment of an image according to parent element.
11	border	pixels	Specify the width of the border. Border display around an image.
12	hspace	pixels	Specify the whitespace that added on left and right side of an image.
13	vspace	pixels	Specify the whitespace that added on top and bottom of an image.

Global Attributes

HTML <img> tag support following global attributes.

Sno	Attributes	Value	Description
1	id	unique_name	Declared unique id for an element.
2	class	class_name	Declared one or more classnames for an element.
3	style	styles	CSS inline styles specify an element.
4	title	title	Specify extra details of element contain, this will display as a “tooltip” for an elements.

Event Attributes

HTML <img> tag support following event attributes.

Sno	Attributes	Value	Description
1	onfocus	script	element gets focus on object when script tobe run.
2	onblur	script	element lose the focus on object when scrip tobe run.
3	onabort	script	element gets aborted on object when script tobe run.
4	onchange	script	element gets anytime change on object when script tobe run.
5	onbeforeunload	script	element gets unloaded on object when scrip tobe run.
6	onclick	script	clicked on object when script tobe run.
7	ondblclick	script	double click on object when script tobe run.
8	onkeydown	script	key is pressed when script tobe run.
9	onkeypress	script	key is pressed over element then released when script tobe run.
10	onkeyup	script	key is released over element when script tobe run.
11	onmousedown	script	mouse button was pressed over an element when script tobe run.
12	onmouseout	script	mouse pointer release over an element when script tobe run.
13	onmousemove	script	run mouse pointer moved when script tobe run.
14	onmouseover	script	run mouse pointer move over when script tobe run.
15	onmouseup	script	mouse button is released when script tobe run.
16	onreset	script	form has been reset when script tobe run.
17	onselect	script	Select some content when script tobe run.
18	onsubmit	script	form has been submitted when script tobe run.
19	onload	script	object has load when script tobe run.
20	onchange	script	allow to change the object when script tobe run.
21	onunload	script	unload to the browser window when script tobe run.
22	ondrag	script	element being dragged when script tobe run.
23	ondragend	script	element being stop dragged when script tobe run.
24	ondragenter	script	element being go target dragged when script tobe run.
25	ondragleave	script	element being leave to target dragged when script tobe run.
26	ondragover	script	element being over to target dragged when script tobe run.
27	ondragstart	script	element being start dragged when script tobe run.
28	ondrop	script	element being dropped when script tobe run.
29	onerror	script	element error occurs when script tobe run.
30	onmessage	script	element message display when script tobe run.
31	onerror	script	element error occurs when script tobe run.
32	onmousewheel	script	mouse wheel will be rotate when script tobe run.
33	onscroll	script	scrollbar is scroll when script tobe run.
34	onresize	script	element should be resize when script tobe run.
35	onselect	script	all element content selected when script tobe run.
36	onstorage	script	element should be store in target when script tobe run.

Browser Compatibility

Sno	Browser	Support
1	Chrome	Yes
2	Firefox	Yes
3	Edge	Yes
4	Opera	Yes
5	Safari	Yes
6	Internet Explorer	Yes