HTML Basics Quiz

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Questions and Answers

What HTML element is used to represent a table header?

  • <tr>
  • <th> (correct)
  • <table>
  • <td>

Which attribute of the form element specifies where to send the form data?

  • Type
  • Action (correct)
  • Method
  • Target

What does the POST method do with server-side data?

  • It sends data in the background. (correct)
  • It displays data in the URL.
  • It encrypts the data.
  • It compresses the data.

What must be included in the label tag to link it to its corresponding input?

<p>For attribute (C)</p> Signup and view all the answers

What type of input is typically used for submitting a form in HTML?

<p>submit (A)</p> Signup and view all the answers

In a GET request, how is the data formatted when sent to the server?

<p>As a query string (A)</p> Signup and view all the answers

Why should sensitive data not be sent using the GET method?

<p>GET reveals data in the URL address bar. (C)</p> Signup and view all the answers

What is a 'query string' in the context of URL parameters?

<p>The parameters after the '?' in a URL. (B)</p> Signup and view all the answers

What happens when an anchor tag with a href value of '#' is clicked?

<p>It goes nowhere. (B)</p> Signup and view all the answers

How do you create a link to the top of the page in HTML?

<p>By using <a href='#top'>Top</a> (D)</p> Signup and view all the answers

What attribute is used to link an anchor tag to a specific part of the HTML document?

<p>href (D)</p> Signup and view all the answers

What is the purpose of the 'mailto:' link in HTML?

<p>To enable users to open their email client with a pre-filled recipient. (B)</p> Signup and view all the answers

What will happen if you include '?Subject=Email' in a mailto: link?

<p>It will add 'Email' in the subject line of the email. (B)</p> Signup and view all the answers

Why is a folder structure important in web development?

<p>It helps to organize files logically. (C)</p> Signup and view all the answers

What does the 'id' attribute in a div do when used for an anchor link?

<p>It serves as a unique identifier for linking to the element. (A)</p> Signup and view all the answers

Which of the following is NOT a correct practice when creating hyperlinks in HTML?

<p>Embedding an image link using src. (B)</p> Signup and view all the answers

What is the purpose of the rel attribute in a link tag for CSS?

<p>To indicate the relationship between the HTML and the CSS file (D)</p> Signup and view all the answers

Which of the following is a benefit of using external CSS?

<p>It allows easier maintenance and readability of styles (C)</p> Signup and view all the answers

How can multiple CSS selectors be efficiently targeted in a stylesheet?

<p>By separating them with a comma in the CSS file (D)</p> Signup and view all the answers

What is indicated by the file extension .css?

<p>The file is a Cascading Style Sheet (A)</p> Signup and view all the answers

What must be included in the head section of an HTML document to link to an external CSS file?

<p>A link tag with appropriate attributes (C)</p> Signup and view all the answers

What is the total height of the box created with the specified CSS properties?

<p>185px (C)</p> Signup and view all the answers

What does the :hover state of an HTML element refer to?

<p>The state when the mouse is over the element (B)</p> Signup and view all the answers

In CSS, what does the term 'fallback fonts' refer to?

<p>Fonts that are specified in a comma-separated list. (C)</p> Signup and view all the answers

What happens when you set an element's opacity to 0.5?

<p>The element and its contents become semi-transparent. (B)</p> Signup and view all the answers

In the exercise described, how should the footer and header be styled?

<p>With a text-decoration of underline and color of red (A)</p> Signup and view all the answers

Which of the following indicates a drawback of inefficient CSS selectors?

<p>They can lead to a larger file size and poor performance (B)</p> Signup and view all the answers

How do you specify opacity using the Alpha Color Space in CSS?

<p>By using the rgba function with four values. (D)</p> Signup and view all the answers

What is the effect of setting the left and right margins of the box to auto?

<p>The box will be centered within its container. (C)</p> Signup and view all the answers

Which of the following statements about font-family specification is correct?

<p>The browser will always use the first font family if available. (C)</p> Signup and view all the answers

How are CSS Box Model dimensions calculated?

<p>Width plus padding plus border. (A)</p> Signup and view all the answers

What is the impact of specifying 0.5 in rgba for background-color?

<p>It creates a transparent color with 50% opacity. (D)</p> Signup and view all the answers

What is the purpose of the HTML5 meter element?

<p>To represent a gauge that shows a value within a specified range (D)</p> Signup and view all the answers

What attributes are essential when defining the HTML5 meter element?

<p>min, max, and value (C)</p> Signup and view all the answers

What should be included in the HTML5 video tag to ensure a good user experience?

<p>Controls attribute to allow user interaction (B)</p> Signup and view all the answers

What is the main difference between the HTML5 video and audio elements?

<p>The video element requires size specifications while the audio does not (A)</p> Signup and view all the answers

What is meant by fallback text in HTML5 elements?

<p>Text rendered in older browsers that do not support certain HTML5 elements (D)</p> Signup and view all the answers

What attribute is necessary for defining the source in an HTML5 video element?

<p>src - to specify the video URL (A)</p> Signup and view all the answers

When creating a valid HTML5 document, what must be included to ensure proper validation?

<p>Specific DOCTYPE declaration for HTML5 (B)</p> Signup and view all the answers

Why should multiple source tags be provided in HTML5 video elements?

<p>To ensure compatibility with various browsers and formats (D)</p> Signup and view all the answers

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Study Notes

HTML Anchors

  • The # symbol in an anchor tag's href attribute, without a specific location, creates a link that goes nowhere when clicked.
  • Assigning id attributes to elements allows anchor tags to link to specific parts of an HTML document using href="#id".
  • Example: <div id="top"></div> <a href="#top">Go to Top</a> will link to the div with the id "top."
  • mailto: links open the user's email client, pre-filling the "To" field with the specified email address.
  • Adding ?Subject=Email adds "Email" to the subject line. Example: <a href="mailto:[email protected]?Subject=Email">Email Me</a>

Directory Structure

  • Organizing files into folders (directories) is crucial coding practice.
  • A basic web structure might include separate folders for HTML and images.

HTML Forms

  • HTML forms are created using <form> tags.
  • Inside the <form> tag are inputs and a submit button. Inputs can be of type text, submit, etc.
  • The action attribute specifies the destination of form data.
  • The method attribute can be POST (data sent 'behind the scenes') or GET (data appended to URL as query string). POST is preferred for sensitive data.
  • GET methods create query strings visible in the URL address bar.

label Tag

  • The label tag adds descriptive text for inputs, and clicking the label focuses the associated input.
  • Use the for attribute in the label to link it to the input's id, e.g., <label for="myInput">My Input:</label> <input id="myInput" type="text">

HTML5 Elements: Article and Aside

  • The <article> element defines an independent, self-contained piece of content within a document.
  • The <aside> element contains content tangentially related to the main content.

HTML5 Meter Element

  • The <meter> element displays a visual gauge representing a value within a specified range.
  • Attributes include min, max, and value. Text between the opening and closing tags serves as fallback content for older browsers.
  • Example: <meter min="0" max="100" value="50">50%</meter>

HTML5 Video

  • The <video> element embeds video content.
  • Attributes include height, width, and controls.
  • The <source> element specifies video file sources with src (URL) and type (mime-type). Multiple <source> elements can provide different formats for browser compatibility. Example: <video width="640" height="480" controls><source src="myvideo.mp4" type="video/mp4"><source src="myvideo.ogg" type="video/ogg">Your browser does not support the video tag.</video>

HTML5 Audio

  • The <audio> element embeds audio content.
  • It uses controls attribute and <source> element (similar to video) to specify audio files.

Linking External CSS

  • External CSS files are linked using the <link> tag within the <head> section of an HTML document.
  • Attributes for <link> include rel="stylesheet", type="text/css", and href="[path/to/file.css]".

Efficient CSS Selectors

  • Using commas to separate selectors in CSS applies the same styles to multiple elements efficiently, minimizing code repetition. Example: h1, h2 { color: blue; }

HTML Element State Styling with CSS

  • CSS can style HTML elements based on their state (e.g., :hover, :active).

CSS Fonts

  • Multiple font families can be specified, separated by commas (font-family: Helvetica Neue, Helvetica, sans-serif;). The browser uses the first available font.

CSS Opacity

  • The opacity property controls the transparency of an element (0.0 fully transparent, 1.0 fully opaque).

CSS Alpha Color Space

  • rgba() values specify color with an alpha channel (fourth value) controlling opacity (0.0 to 1.0). Example: background-color: rgba(255, 0, 0, 0.5); (half-transparent red)

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Related Documents

A-Guide-to-HTML5-and-CSS3 (1).pdf

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