HTML Attributes
HTML Attributes
Attributes provide additional information about HTML elements.
HTML Attributes
All HTML elements can have attributes
Attributes provide additional information about an element
Attributes are always specified in the start tag
Attributes usually come in name/value pairs like: name="value"
The href Attribute
HTML links are defined with the <a> tag. The link address is specified in the href attribute:
Example
<a href="https://infotechsolutionblog.blogspot.in/">This is a link</a>
You will learn more about links and the <a> tag later in this tutorial.
The src Attribute
HTML images are defined with the <img> tag.
The filename of the image source is specified in the src attribute:
Example
<img src="https://infotechsolutionblog.blogspot.in/img_girl.jpg">
The width and height Attributes
Images in HTML have a set of size attributes, which specifies the width and height of the image:
Example
<img src="img_girl.jpg" width="500" height="600">
The image size is specified in pixels: width="500" means 500 pixels wide.
You will learn more about images in our HTML Images chapter.
The alt Attribute
The alt attribute specifies an alternative text to be used, when an image cannot be displayed.
The value of the attribute can be read by screen readers. This way, someone "listening" to the webpage, e.g. a blind person, can "hear" the element.
Example
<img src="https://infotechsolutionblog.blogspot.in/img_girl.jpg" alt="Girl with a jacket">
The alt attribute is also useful if the image does not exist:
Example
What happens if we try to display an image that does not exist:
<img src="img_typo.jpg" alt="Girl with a jacket">
The style Attribute
The style attribute is used to specify the styling of an element, like color, font, size etc.
Example
<p style="color:red">I am a paragraph</p>
You will learn more about styling later in this tutorial, and in our CSS Tutorial.
The lang Attribute
The language of the document can be declared in the <html> tag.
The language is declared with the lang attribute.
Declaring a language is important for accessibility applications (screen readers) and search engines:
<!DOCTYPE html>
<html lang="en-US">
<body>
...
</body>
</html>
The first two letters specify the language (en). If there is a dialect, use two more letters (US).
The title Attribute
Here, a title attribute is added to the <p> element. The value of the title attribute will be displayed as a tooltip when you mouse over the paragraph:
Example
<p title="I'm a tooltip">
This is a paragraph.
</p>
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