We will see how to create a link?, Different types of links like local, external, target attributes for links and other features like bookmarking a links, using CSS styling. In this page, we have discussed the HTML id and class attribute. The id attribute is used to label sections or parts of your HTML document. HTML element id attribute . The fact is that the ID attribute exists in HTML 4, so there's no reason not to use it in a CSS selector. Different classes must be specified with a space in between them using class attribute, Syntax: Using Multiple class and id on single element, Maintainer and Intern at OpenGenus | Pursuing Bachelors degree in Computer Science at University of Petroleum and Energy Studies (2017-2021). Style We will explore the following sub-topics: ID attribute When a webpage is very long, it is easier to create a table of contents in the beginning with bookmarks to specific topics for ease of access. Usually this is used to apply styles. We can use the id attribute in every HTML element. We use #{id value} to access the HTML element with specified ID in CSS and provide style to it. In CSS: CSS still apply styles even if it finds elements with duplicate IDs(ie., CSS apply styles to all duplicate ID elements). A group of HTML elements under a given class may be invoked in JavaScript using document.getElementByClassName("{classname}") and an action may be performed on it. Following things must be kept in mind when using ID attribute: Bookmarks are link to a specific part of a webpage. ID to be unique . Syntax: In CSS Stylesheet: #id_name { // CSS Property } Example: ID is used to identify one particular element that we want to interact with. Example: , etc. HTML attributes are special words used inside the opening tag to control the element's behaviour. A class of inline HTML elements can be made and combined action can be performed. Class in html: The class is an attribute which specifies one or more class names for an HTML element. Difference between class and id. In contrast to the class attribute, which allows space-separated values, elements can only have one single ID value. HTML attributes are a modifier of an HTML element type.An attribute either modifies the default functionality of an element type or provides functionality to certain element types unable to … In CSS, the id attribute is written using # symbol followed by id. This id can be used to modify the HTML element using HTML, CSS or JavaScript. This is useful for applying styles and manipulating an element with DOM and JavaScript. 2.4) Using multiple classes and id attribute on single element. HTML id and class attributes identify an element in an HTML 1.3) Using ID attribute with JavaScript. ID values must have atleast one character. Go on reading to find out more. Here, paragraph has id assigned to it and the CSS file modifies the element color to blue and gives a border around it. All such custom data are available via the HTMLElement interface of the element the attribute is set on. The second reason to stick with the defined conventions for HTML classes and ids is that while CSS doesn’t care whether an id is unique or not, JavaScript does. 2.2) Class attribute on inline HTML elements The following section describes their usages. The id of a