HTML Interview Questions and Answers for 5 years experience

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100 HTML Interview Questions and Answers (5 Years Experience)

  1. What is HTML?

    • Answer: HTML stands for HyperText Markup Language. It's the foundation of all web pages. It uses tags to structure content, such as headings, paragraphs, images, and links.

  2. Explain the difference between HTML and XHTML.

    • Answer: XHTML is an XML-compliant version of HTML. Key differences include stricter syntax (requiring well-formed XML), lowercase tag names, and mandatory closing tags for all elements. HTML is more flexible and forgiving.

  3. What are semantic HTML5 elements? Give examples.

    • Answer: Semantic HTML5 elements convey meaning to both the browser and developers. Examples include `
      `, `

  4. Explain the `DOCTYPE` declaration.

    • Answer: The `DOCTYPE` declaration tells the browser which version of HTML the document is written in. It's crucial for proper rendering and compatibility.

  5. What are HTML attributes? Give some common examples.

    • Answer: HTML attributes provide additional information about HTML elements. Common examples include `id`, `class`, `src`, `href`, `alt`, `title`, `style`, and `lang`.

  6. Describe the difference between `id` and `class` attributes.

    • Answer: `id` attributes must be unique within a document, used for identifying a single element. `class` attributes can be used on multiple elements, allowing for styling and scripting using the same selector.

  7. How do you create a hyperlink in HTML?

  8. Explain the use of the `` tag and its important attributes.

    • Answer: The `` tag embeds an image into the HTML document. Important attributes include `src` (image source), `alt` (alternative text for accessibility), `width`, and `height`.

  9. What is the purpose of the `

    ` tag?

    • Answer: The `` tag creates an HTML form for user input, which can be submitted to a server for processing.

  10. Explain different input types in HTML forms.

    • Answer: Common input types include `text`, `password`, `email`, `number`, `radio`, `checkbox`, `submit`, `button`, `file`, `date`, etc. Each defines the type of input expected from the user.

  11. How do you create a table in HTML?

    • Answer: Using the ``, `` (table row), `
      ` (table data), and `` (table header) tags.

    • What are lists in HTML and their types?

      • Answer: Lists are used to organize items. Types include unordered lists (`
          `, `
        • `), ordered lists (`
            `, `
          1. `), and definition lists (`
            `, `
            `, `
            `).

      • Explain the use of `

        ` and `` elements.

        • Answer: `
          ` is a block-level element used for grouping and styling larger sections of content. `` is an inline element used for styling smaller portions of text within a line.

      • What is the difference between block-level and inline elements?

        • Answer: Block-level elements always start on a new line and take up the full width available. Inline elements only take up as much width as necessary and flow within a line.

      • How do you embed CSS in HTML?

        • Answer: Using the `