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html optgroup tag | optgroup in html #html #htmlcss

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HTML OPTGROUP TAG The <optgroup> tag is an HTML element used to group related <option> elements within a <select> element. It provides a way to organize and categorize options in a dropdown list. The <optgroup> tag can be used to create nested groups as well. Here's the basic syntax for using the <optgroup> tag: <select>   <optgroup label="Group 1">     <option value="option1">Option 1</option>     <option value="option2">Option 2</option>     <option value="option3">Option 3</option>   </optgroup>   <optgroup label="Group 2">     <option value="option4">Option 4</option>     <option value="option5">Option 5</option>     <option value="option6">Option 6</option>   </optgroup> </select> In the example above, we have two groups defined within the <select&
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html span and div tags | div tag and span tag in html #html #htmlcss

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HTML SPAN TAG The <span> tag in HTML is an inline element used to group and apply styles to a specific section of text within a larger block of content. It does not have any inherent semantic meaning and is primarily used for styling purposes or scripting interactions. Here's an example of how the <span> tag can be used: <p>This is a <span style="color: blue;">blue</span> text.</p> In the example above, the word "blue" is wrapped in a <span> tag with a style attribute that sets the color to blue. This allows you to apply specific styles to that particular portion of the text. Alternatively, you can also apply a class or ID to the <span> tag and define the styles in an external CSS file or using a <style> block. Here's an example <style>     .highlight {         background-color: yellow;         font-weight: bold;     } </style> <p>This is a <span class="highlight"
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html embed tag | embed in html #html #htmlcss

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HTML EMBED TAG The HTML <embed> tag is used to embed external content, such as multimedia (audio, video, or plugins), into an HTML document. Here's an example of how to use the <embed> tag: <embed src="path_to_content" type="mime_type" width="width_value" height="height_value"> src: This attribute specifies the URL or path to the content you want to embed. It can be an audio or video file, a plugin, or any other supported content. type: This attribute indicates the MIME type of the embedded content. It helps the browser determine how to handle and display the content. For example, for an MP3 audio file, you would use type="audio/mpeg". width and height: These attributes define the width and height of the embedded content in pixels. Here's an example of embedding a YouTube video using the <embed> tag: <embed src="https://www.youtube.com/embed/video_id" type="text/html" wi
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html nav tag | html navigation bar | menu in html #html #htmlcss

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HTML NAVIGATION BAR The <nav> tag in HTML is used to define a section of a web page that contains navigation links. It is typically used to create a navigation menu or bar. Here's an example of how the <nav> tag can be used: <!DOCTYPE html> <html> <head>   <title>Example Navigation</title> </head> <body>   <nav>     <ul>       <li><a href="#">Home</a></li>       <li><a href="#">About</a></li>       <li><a href="#">Services</a></li>       <li><a href="#">Contact</a></li>     </ul>   </nav>   <!-- Rest of the content --> </body> </html> In this example, the <nav> tag is used to enclose a list of navigation links. The <ul> tag represents an unordered list, and each list item <li> contains an anchor <a> tag that defines a
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html select option | option in html #html #htmlcss

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HTML SELECT OPTION In HTML, the <option> element is used to create selectable options within a <select> element, such as a dropdown list. Here's an example of how to use the <option> element: <select>   <option value="option1">Option 1</option>   <option value="option2">Option 2</option>   <option value="option3">Option 3</option> </select> In the example above, we have a <select> element with three <option> elements nested inside it. Each <option> element represents an individual option in the dropdown list. The value attribute is used to assign a value to each option, which can be used to identify the selected option when submitting a form or handling the selection using JavaScript. You can add more <option> elements as needed, and users can select one of the options from the dropdown list. Example:- <select>   <option value="" dis
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html button | button in html #html #htmlcss

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HTML BUTTON  To create a button in HTML, you can use the <button> element. Here's an example of how you can create a button: <!DOCTYPE html> <html> <head>   <title>Button Example</title> </head> <body>   <button type="button">Click Me!</button> </body> </html> In this example, the <button> element is used to create a button. The type attribute is set to "button" to specify that it is a button element. Inside the button element, you can add the text or any other content you want to display on the button. You can customize the button further by adding CSS styles or additional attributes to the <button> element. For example, you can add a class or an ID to the button and style it using CSS rules. Here's an example with some additional customization: <!DOCTYPE html> <html> <head>   <title>Button Example</title>   <style>     .custom
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html input tags |

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HTML Input  text  Input : <input type="text"> Creates a single-line text input field where users can enter alphanumeric text. Example: <input type="text" name="username"> Password Input : <input type="password"> Similar to a text input field, but obscures the entered characters to provide security for passwords. Example: <input type="password" name="password"> Checkbox : <input type="checkbox"> Represents a checkbox that users can select or deselect independently. Example: <input type="checkbox" name="agree" value="yes"> Radio Button : <input type="radio"> Represents a set of mutually exclusive options where users can select only one option. Example:-  <input type="radio" name="color" value="red"> Red <input type="radio" name="color" value="green"> Green
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