HTML Code:
<!DOCTYPE html><!-- Specifies the document type and version of HTML -->
<html>
<head>
<title>How to set the content, if specified, to nothing</title><!-- Sets the title of the HTML document -->
<style type="text/css"> /* Begins a CSS style block */
p:before {
content: "Learn - "; /* Adds content before every <p> element */
}
p#w3r:before {
content: none; /* Sets the content before the <p> element with id="w3r" to nothing */
}
</style><!-- Ends the CSS style block -->
</head>
<body>
<p><strong>w3resource Tutorial</strong></p><!-- Inserts a paragraph element with strong emphasis -->
<p id="w3r">A good web development tutorial.</p><!-- Inserts a paragraph element with id="w3r" -->
</body>
</html>
Explanation:
Live Demo:
See the Pen content-none-answer by w3resource (@w3resource) on CodePen.
See the solution in the browser
Supported browser
What is the difficulty level of this exercise?
Test your Programming skills with w3resource's quiz.
RetroSearch is an open source project built by @garambo | Open a GitHub Issue
Search and Browse the WWW like it's 1997 | Search results from DuckDuckGo
HTML:
3.2
| Encoding:
UTF-8
| Version:
0.7.4