HTML5 - Basic Exercises, Practice, Solution

Last update on May 28 2022 07:21:35 (UTC/GMT +8 hours)

[An editor is available at the bottom of the page to write and execute the scripts.]

17. How to draw graphics, on the fly, via scripting?.

HTML Code:

 <!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>JS Bin</title>
</head>
<body>
</body>
</html>

Try it in the following editor or see the solution.

a. How to specify the height of the canvas?

b. How to specify the width of the canvas?

See the Pen html css common editor by w3resource (@w3resource) on CodePen.

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HTML-CSS: Tips of the Day

What is the difference between id and class in CSS, and when should I use them?

Example:

<div id="header_id" class="header_class">
Text
</div>

#header_id {font-color:#fff}
.header_class {font-color:#000}

(Note that CSS uses the prefix # for IDs and . for Classes.)

However color was an HTML 4.01 <font> tag attribute deprecated in HTML 5. In CSS there is no "font-color", the style is color so the above should read:

Example:

<div id="header_id" class="header_class">
Text
</div>

#header_id {color:#fff}
.header_class {color:#000}

The text would be white.

Ref: https://bit.ly/39Stv4P