Level Up Your HTML Skills with 99 Comprehensive Solutions!
Himanshu Patel
Front-End Developer | React, JavaScript, CSS, HTML Expert | Focused on Creating Seamless User Experiences | MERN
( FROM BASICS TO ADVANCE LEVEL)
HTML Basics:
1. What does HTML stand for?
- Solution: HyperText Markup Language
2. What is the purpose of HTML tags?
- Solution: HTML tags are used to structure and format content on a web page.
3. How do you create a comment in HTML?
- Solution: <!-- This is a comment -->
4. What is the root element of an HTML document?
- Solution: <html>
5. Which HTML tag is used to create a hyperlink?
- Solution: <a>
HTML Document Structure:
6. What is the role of the <head> element in an HTML document?
- Solution: It contains meta-information about the document, such as the title and character encoding.
7. How do you specify the character encoding for an HTML document?
- Solution: <meta charset="UTF-8">
8. What is the purpose of the <body> element in an HTML document?
- Solution: It contains the visible content of the web page.
9. How can you create a numbered list in HTML?
- Solution: Use the <ol> (ordered list) element.
10. What is the purpose of the <div> element in HTML?
- Solution: It is used to group and style content.
HTML Elements and Attributes:
11. How do you create a heading in HTML with the highest level of importance?
- Solution: <h1>
12. What is the purpose of the alt attribute in the <img> element?
- Solution: It provides alternative text for an image, which is displayed if the image cannot be loaded.
13. How can you create a line break in HTML?
- Solution: Use the <br> element.
14. What does the <em> element represent in HTML?
- Solution: It represents text with emphasized meaning.
15. How can you create a horizontal rule in HTML?
- Solution: Use the <hr> element.
HTML Forms:
16. Which HTML element is used to create a form?
- Solution: <form>
17. What is the purpose of the action attribute in a <form> element?
- Solution: It specifies the URL to which the form data is sent when submitted.
18. How do you create a text input field in HTML?
- Solution: <input type="text">
19. What is the purpose of the <label> element in a form?
- Solution: It provides a label for a form control.
20. How can you create a drop-down list in HTML?
- Solution: Use the <select> and <option> elements.
HTML Links and Media:
21. How do you create an email link in HTML?
- Solution: <a href="mailto:[email protected]">Send Email</a>
22. Which HTML element is used to embed audio content?
- Solution: <audio>
23. How do you create a video element in HTML?
- Solution: <video>
24. What is the purpose of the controls attribute in the <video> element?
- Solution: It adds video playback controls.
25. How can you create a link that opens in a new browser window?
- Solution: <a target="_blank">Visit Example</a>
HTML Tables:
26. What HTML element is used to create a table?
- Solution: <table>
27. How do you create a table row in HTML?
- Solution: <tr>
28. What does the <th> element represent in an HTML table?
- Solution: It represents a table header cell.
29. How can you merge two or more table cells horizontally?
- Solution: Use the colspan attribute.
30. What HTML element is used to create a table caption?
- Solution: <caption>
HTML Forms (Advanced):
31. What is the purpose of the method attribute in a <form> element?
- Solution: It specifies the HTTP method used to send form data (e.g., "GET" or "POST").
32. How can you create a radio button in HTML?
- Solution: <input type="radio">
33. What is the purpose of the name attribute in form elements?
- Solution: It identifies the form element when the form is submitted.
34. How do you create a checkbox in HTML?
- Solution: <input type="checkbox">
35. What is the purpose of the <textarea> element in a form?
- Solution: It allows users to enter multi-line text.
HTML Semantic Elements:
36. What is the purpose of the <article> element in HTML5?
- Solution: It represents a self-contained composition, such as a blog post or news article.
37. How do you create a navigation menu in HTML using semantic elements?
- Solution: Use the <nav> element.
38. What is the purpose of the <header> element in HTML5?
- Solution: It represents introductory content at the beginning of a page or section.
39. How can you create a sidebar in HTML using semantic elements?
- Solution: Use the <aside> element.
40. What is the purpose of the <footer> element in HTML5?
- Solution: It represents the footer of a section or page.
HTML Forms (Validation):
41. How can you require users to fill out a form field in HTML?
- Solution: Use the required attribute.
42. What is the purpose of the pattern attribute in a form input?
- Solution: It specifies a regular expression pattern for input validation.
43. How can you set a minimum and maximum value for a number input field?
- Solution: Use the min and max attributes.
44. What is the purpose of the placeholder attribute in a form input?
- Solution: It provides a hint or example text for the input field.
45. How can you validate email addresses in a form input?
- Solution: Use the type="email" attribute.
HTML Images and Links (Advanced):
46. How do you create an image map in HTML?
- Solution: Use the <map> and <area> elements.
47. What is the purpose of the download attribute in an <a> element?
- Solution: It specifies that the linked resource should be downloaded instead of navigating to it.
48. How do you create a clickable image link in HTML?
- Solution: <a ><img src="image.jpg" alt="Example"></a>
49. What is the purpose of the target attribute in an <a> element?
- Solution: It specifies where to open the linked document (e.g., "_blank" for a new window).
50. How do you create a link to an external stylesheet in HTML?
领英推荐
- Solution: <link rel="stylesheet" href="styles.css">
HTML Multimedia (Advanced):
51. How do you embed a
YouTube video in an HTML page?
- Solution: Use an <iframe> element with the video's embed code.
52. What is the purpose of the <audio> element's controls attribute?
- Solution: It adds audio playback controls to the audio element.
53. How do you specify multiple sources for a video element in HTML5?
- Solution: Use the <source> element within the <video> element.
54. What does the autoplay attribute do in the <video> element?
- Solution: It makes the video play automatically when the page loads.
55. How do you add a poster image to a video element in HTML5?
- Solution: <video poster="image.jpg">
HTML Forms (Advanced Validation):
56. How can you validate that a password meets specific criteria in a form input?
- Solution: Use the pattern attribute with a regular expression.
57. What is the purpose of the <datalist> element in a form?
- Solution: It provides a list of predefined options for an input field.
58. How do you create a range input in HTML?
- Solution: <input type="range">
59. How can you ensure that a user enters a valid URL in a form input?
- Solution: Use the type="url" attribute.
60. What is the purpose of the novalidate attribute in a <form> element?
- Solution: It disables HTML5 form validation.
HTML Tables (Advanced):
61. How can you set the width of a table cell in HTML?
- Solution: Use the width attribute on the <td> or <th> element.
62. What is the purpose of the <colgroup> element in an HTML table?
- Solution: It groups one or more columns for styling and formatting.
63. How do you create a table with a header that spans multiple columns?
- Solution: Use the <th colspan="2"> attribute.
64. How can you make a table row appear on every printed page when printing a web page?
- Solution: Use the thead, tbody, and tfoot elements.
65. How do you create a responsive table in HTML?
- Solution: Use CSS styles and media queries to adjust table layout.
HTML Forms (Advanced Layout):
66. How can you create a multi-column form layout in HTML and CSS?
- Solution: Use CSS for layout and the column-count property.
67. What is the purpose of the <fieldset> element in a form?
- Solution: It groups related form elements and provides a visual container.
68. How do you create a legend for a fieldset in HTML?
- Solution: Use the <legend> element inside the <fieldset>.
69. How can you create a file upload input field in HTML?
- Solution: <input type="file">
70. How do you create a label for a form element without using the <label> element?
- Solution: Use a <span> or other HTML element with appropriate styling.
HTML Semantics (Advanced):
71. What is the purpose of the <figure> and <figcaption> elements in HTML5?
- Solution: They are used to associate a caption with an image or other media content.
72. How can you create an accessible table in HTML?
- Solution: Use proper table elements and attributes for headers and captions.
73. What is the role of the <time> element in HTML5?
- Solution: It represents a specific period in time or a date.
74. How do you create an HTML document with multiple language support?
- Solution: Use the lang attribute on the <html> element.
75. What is the <mark> element used for in HTML?
- Solution: It represents text highlighted for reference or emphasis.
HTML5 Canvas and SVG:
76. How can you create a canvas element in HTML5 for drawing graphics?
- Solution: <canvas>
77. What scripting language is commonly used with the HTML5 canvas element?
- Solution: JavaScript
78. How do you draw a rectangle on an HTML5 canvas?
- Solution: Use the fillRect() or strokeRect() methods.
79. What is the purpose of the <svg> element in HTML?
- Solution: It is used for scalable vector graphics.
80. How do you draw a circle in SVG?
- Solution: Use the <circle> element.
HTML Accessibility:
81. What is the purpose of ARIA attributes in HTML?
- Solution: They enhance the accessibility of web content for users with disabilities.
82. How can you make an HTML form accessible to screen readers?
- Solution: Use proper labels, ARIA roles, and attributes.
83. What is the purpose of the aria-label attribute?
- Solution: It provides a text alternative for an element for accessibility.
84. How can you make an HTML image accessible to screen readers?
- Solution: Use the alt attribute to provide a descriptive text alternative.
85. What is the purpose of semantic HTML elements in web accessibility?
- Solution: They provide structure and meaning to web content for assistive technologies.
HTML5 Geolocation and APIs:
86. How do you access the user's geolocation in HTML5?
- Solution: Use the navigator.geolocation object.
87. What is the purpose of the HTML5 localStorage API?
- Solution: It allows web applications to store data locally in the user's browser.
88. How do you retrieve data from an API using JavaScript in an HTML document?
- Solution: Use the fetch() method.
89. What is the purpose of the JSON.parse() method in JavaScript?
- Solution: It parses JSON data into a JavaScript object.
90. How can you use the HTML5 canvas element to create charts and graphs?
- Solution: By drawing shapes and text on the canvas using JavaScript.
HTML Best Practices:
91. Why is it important to use proper HTML5 doctype declaration?
- Solution: It ensures that the browser renders the page in standards mode.
92. What is the purpose of semantic HTML elements in web development?
- Solution: They improve the structure and accessibility of web content.
93. How can you optimize images for the web to improve page load times?
- Solution: Use image compression and appropriate file formats (e.g., JPEG, PNG).
94. Why should you use external CSS and JavaScript files instead of inline styles and scripts?
- Solution: It promotes code reusability and maintainability.
95. How do you make a website responsive to different screen sizes and devices?
- Solution: Use media queries and responsive design techniques.
HTML Project Development:
96. Describe the process of creating a multi-page website with HTML.
- Solution: Create multiple HTML files and link them using <a> tags.
97. How can you include external libraries like jQuery in an HTML document?
- Solution: Use the <script> element with a src attribute.
98. Explain how to embed a Google Map in an HTML page.
- Solution: Use the Google Maps Embed API or the <iframe> element.
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