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HTML Interview Prep: Essential HTML Interview Questions Every Beginner Should Know

Here are some basic interview questions related to HTML that can help you prepare: What is HTML? HTML (HyperText Markup Language) is the standard language used to create and design web pages and web applications. What is the basic structure of an HTML document? Explain the roles of <!DOCTYPE html>, <html>, <head>, <title>, and <body> tags. Mention that the <head> contains meta-information (not displayed) and the <body> contains the visible content. What are HTML elements and tags? HTML elements are building blocks of HTML pages. Tags are used to mark the beginning and end of an HTML element, enclosed in angle brackets, such as <tagname> and </tagname>.   What is the difference between <div> and <span>? <div>: A block-level element used to group other elements for styling purposes or layout. <span>: An inline element used to group text or other inline elements for styling. What are the key HTML5 features?...
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Dynamically Adding Dropdown Options and Handling "Other" with Show/Hide Functionality

Dropdown menus are a crucial part of many web forms, providing users with predefined options to choose from. However, there are scenarios where users need to add new options or input custom values. This post outlines how to dynamically add options to a dropdown list using a text box and show or hide the text box when "Other" is selected. Dynamic Dropdown Option Addition Using JavaScript and Ajax, you can create a seamless experience for users to add new options dynamically. Below is the implementation: JavaScript Code for Dynamic Option Addition $ ( document ). on ( 'click' , '.btcl' , function () {     var dataString = 'Rule=comp_list' ;     $ . ajax ({         type : "POST" ,         url : "ajax.php" ,         data : dataString ,         cache : false ,         success : function ( data ) {             $ ( "#company_list" ). html ( dat...
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Dynamic Dropdowns Made Simple: Update Child Menus Using jQuery Ajax

Dynamically Loading Child Dropdowns Using Parent Dropdown Selection Efficient management of dropdown menus is a common requirement in web development, especially when creating dynamic forms. This blog explores a simple and scalable approach to dynamically loading child dropdowns based on the selected option in parent dropdowns using a single jQuery Ajax function. Key Highlights of the Method Unified Ajax Call: A single Ajax function handles multiple dropdown relationships, reducing repetitive code. Dynamic Data Preparation: Based on the parent dropdown's ID, relevant data is passed to the server to fetch the required child dropdown options. Enhanced User Experience: Child dropdown options update instantly, ensuring responsiveness and interactivity. The JavaScript Solution Below is the JavaScript code using jQuery for dynamically updating child dropdowns: $ ( document ). ready ( function () {   // Unified Ajax Call for Dropdown Updates   $ ( '.rnscall' ). on ( 'chang...
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