(HTML Attributes (Part 5


HTML attributes provide additional information about HTML elements.(HTML Attributes)


HTML Attributes

All HTML elements can have attributes
Attributes provide additional information about elements
Attributes are always specified in the start tag
Attributes usually come in name/value pairs like: name=”value”


The href Attribute

The <a> tag defines a hyperlink. The href attribute specifies the URL of the page the link goes to..

<a href="https://www.vnstagram.ir">  Visit vnstagram </a>

You will learn more about links in our HTML Links chapter.


The src Attribute

The <img> tag is used to embed an image in an HTML page. The src attribute specifies the path to the image to be displayed:

<img src="img_Mr.jpg">

There are two ways to specify the URL in the src attribute:

Absolute URL – A link to an external image hosted on another website.

src="https://www.vnstagram.ir/images/img_Mr.jpg"

Relative URL – Links to the image hosted on the website.

src="/images/img_Mr.jpg"

Tip: It is almost always best to use relative URLs. They will not break if you change domain.


The width and height Attributes

The <img> tag should also contain the width and height attributes, which specifies the width and height of the image (in pixels):

<img src="img_girl.jpg" width="500" height="600">

The alt Attribute

The required alt attribute for the <img> tag specifies an alternate text for an image, if the image for some reason cannot be displayed. This can be due to slow connection, or an error in the src attribute, or if the user uses a screen reader.

<img src="img_Mr.jpg" alt="The man with the jacket">

You will learn more about images in our HTML Images chapter.


The style Attribute

The style attribute is used to add styles to an element, such as color, font, size, and more.

<p style="color:red;">  This is a red paragraph  </p>

You will learn more about styles in our HTML Styles chapter.


The lang Attribute

You should always include the lang attribute inside the <html> tag, to declare the language of the Web page.
This is meant to assist search engines and browsers.

The following example specifies English as the language:

<!DOCTYPE html>
<html lang="en">
<body>
...
</body>
</html>

Country codes can also be added to the language code in the lang attribute. So, the first two characters define the language of the HTML page, and the last two characters define the country.

The following example specifies English as the language and United States as the country:

<!DOCTYPE html>
<html lang="en-US">
<body>
...
</body>
</html>

You can see all the language codes in our HTML Language Code Reference.


The title Attribute

The title attribute defines some extra information about an element.
The value of the title attribute will be displayed as a tooltip when you mouse over the element:

<p title="I'm a tooltip">This is a paragraph.</p>

We suggest always using small features
The HTML standard does not need to be called small attributes.

In vnstagram we always use small feature names.


We suggest: Always quote adjective values

The HTML standard does not need to quote attribute values.

True example

<a href="https://www.vnstagram.ir /html/"> Visit our HTML tutorial </a>

Wrong example

<a href=https://www.w3schools.com/html/> Visit our HTML tutorial </a>

Sometimes you have to use quotes. This example does not display the attribute correctly because it contains a space:

<p title=About vnstagram>

Summary of this chapter

All HTML elements can have attributes
The href attribute of <a> specifies the URL of the page the link goes to
The src attribute of <img> specifies the path to the image to be displayed
The width and height attributes of <img> provide size information for images
The alt attribute of <img> provides an alternate text for an image
The style attribute is used to add styles to an element, such as color, font, size, and more
The lang attribute of the <html> tag declares the language of the Web page
The title attribute defines some extra information about an element



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