Using The id Attribute The id attribute specifies a unique id for an HTML element (the value must be unique within the HTML document). The id value can be used by CSS and JavaScript to perform certain tasks for a unique element with the specified id value. In CSS, to select an element with a specific id, […]
An iframe is used to display a web page within a web page. Iframe Syntax An HTML iframe is defined with the <iframe> tag: <iframe src=”URL“></iframe> The src attribute specifies the URL (web address) of the inline frame page. Iframe – Explaination Use the height and width attributes to specify the size of the iframe. The attribute values are specified in pixels by default, […]
Path Description <img src=”picture.jpg”> picture.jpg is located in the same folder as the current page <img src=”images/picture.jpg”> picture.jpg is located in the images folder in the current folder <img src=”/images/picture.jpg”> picture.jpg is located in the images folder at the root of the current web <img src=”../picture.jpg”> picture.jpg is located in the folder one level up […]
The HTML <head> Element The <head> element is a container for metadata (data about data) and is placed between the <html> tag and the <body> tag. HTML metadata is data about the HTML document. Metadata is not displayed. Metadata typically define the document title, character set, styles, links, scripts, and other meta information. The following tags describe metadata: <title>, <style>, <meta>, <link>, <script>, and <base>. The HTML […]
HTML Layout Elements Websites often display content in multiple columns (like a magazine or newspaper). HTML5 offers new semantic elements that define the different parts of a web page: <header> – Defines a header for a document or a section <nav> – Defines a container for navigation links <section> – Defines a section in a […]
Computer Code <code> x = 5;<br> y = 6;<br> z = x + y; </code> Try it Yourself » HTML <kbd> For Keyboard Input The HTML <kbd> element represents user input, like keyboard input or voice commands. Text surrounded by <kbd> tags is typically displayed in the browser’s default monospace font: Example <p>Save the document by pressing <kbd>Ctrl + S</kbd></p> […]
Reserved characters in HTML must be replaced with character entities. Characters that are not present on your keyboard can also be replaced by entities. HTML Entities Some characters are reserved in HTML. If you use the less than (<) or greater than (>) signs in your text, the browser might mix them with tags. Character […]
HTML Symbol Entities HTML entities were described in the previous chapter. Many mathematical, technical, and currency symbols, are not present on a normal keyboard. To add such symbols to an HTML page, you can use an HTML entity name. If no entity name exists, you can use an entity number, a decimal, or hexadecimal reference. […]
A URL is another word for a web address. A URL can be composed of words (w3schools.com), or an Internet Protocol (IP) address (192.68.20.50). Most people enter the name when surfing, because names are easier to remember than numbers. URL – Uniform Resource Locator Web browsers request pages from web servers by using a URL. […]
Links are found in nearly all web pages. Links allow users to click their way from page to page. HTML Links – Hyperlinks HTML links are hyperlinks. You can click on a link and jump to another document. When you move the mouse over a link, the mouse arrow will turn into a little hand. […]
Styling HTML with CSS CSS stands for Cascading Style Sheets. CSS describes how HTML elements are to be displayed on screen, paper, or in other media. CSS saves a lot of work. It can control the layout of multiple web pages all at once. CSS can be added to HTML elements in 3 ways: Inline – by using the style attribute in […]
HTML colors are specified using predefined color names, or RGB, HEX, HSL, RGBA, HSLA values. Color Names In HTML, a color can be specified by using a color name: Try it Yourself » Background Color You can set the background color for HTML elements: Example <h1 style=”background-color:DodgerBlue;”>Hello World</h1> <p style=”background-color:Tomato;”>Lorem ipsum…</p> Try it Yourself » Text Color […]
Comment tags are used to insert comments in the HTML source code. HTML Comment Tags You can add comments to your HTML source by using the following syntax: <!– Write your comments here –> Notice that there is an exclamation point (!) in the opening tag, but not in the closing tag. Note: Comments are not […]
Text Formatting This text is bold This text is italic This is subscript and superscript HTML Formatting Elements In the previous chapter, you learned about the HTML style attribute. HTML also defines special elements for defining text with a special meaning. HTML uses elements like <b> and <i> for formatting output, like bold or italic text. Formatting elements were designed to display special types of text: <b> – Bold text <strong> – […]
The HTML Style Attribute Setting the style of an HTML element, can be done with the style attribute. The HTML style attribute has the following syntax: <tagname style=”property:value;“> The property is a CSS property. The value is a CSS value. You will learn more about CSS later in this tutorial. HTML Background Color The background-color property defines the background color for an HTML element. This example sets […]
The HTML <p> element defines a paragraph: Example <p>This is a paragraph.</p> <p>This is another paragraph.</p> Try it Yourself » Note: Browsers automatically add some white space (a margin) before and after a paragraph. HTML Display You cannot be sure how HTML will be displayed. Large or small screens, and resized windows will create different results. With HTML, you […]
Heading 1 Heading 2 Heading 3 Heading 4 Heading 5 Heading 6 HTML Headings Headings are defined with the <h1> to <h6> tags. <h1> defines the most important heading. <h6> defines the least important heading. Example <h1>Heading 1</h1> <h2>Heading 2</h2> <h3>Heading 3</h3> <h4>Heading 4</h4> <h5>Heading 5</h5> <h6>Heading 6</h6> Try it Yourself » Note: Browsers automatically add some white space (a margin) before and […]
An HTML element usually consists of a start tag and end tag, with the content inserted in between: <tagname>Content goes here…</tagname> The HTML element is everything from the start tag to the end tag: <p>My first paragraph.</p> Start tag Element content End tag <h1> My First Heading </h1> <p> My first paragraph. </p> <br> HTML elements with no content are called […]
Don’t worry if these examples use tags you have not learned. You will learn about them in the next chapters. HTML Documents All HTML documents must start with a document type declaration: <!DOCTYPE html>. The HTML document itself begins with <html> and ends with </html>. The visible part of the HTML document is between <body> and </body>. Example <!DOCTYPE html> <html> <body> <h1>My […]
What is HTML? HTML is the standard markup language for creating Web pages. HTML stands for Hyper Text Markup Language HTML describes the structure of Web pages using markup HTML elements are the building blocks of HTML pages HTML elements are represented by tags HTML tags label pieces of content such as “heading”, “paragraph”, “table”, […]
