Building strong foundational knowledge in frontend development topics
These topics are essential for building strong foundational knowledge, and each comes with a simple solution or code snippet to illustrate the concept. 1. What is the difference between HTML, CSS, and JavaScript? Answer : HTML (Hypertext Markup Language) is used for structuring web content (headings, paragraphs, images, links, etc.). CSS (Cascading Style Sheets) is used for styling the layout, design, and appearance of the web content. JavaScript is used for adding interactivity and dynamic behavior to the website (e.g., form validation, animations, events). html <!-- HTML --> < div class = "box" > </ div > css /* CSS */ .box { width : 100px ; height : 100px ; background-color : blue; } javascript // JavaScript document . querySelector ( '.box' ). addEventListener ( 'click' , function ( ) { alert ( 'Box clicked!' ); }); 2. What are semantic HTML elements and why are they important? Answer : Semantic HTML elements cl...