Printing HTML Content Selectively on Button Click
Web developers often encounter the need to allow users to print specific sections of a web page without including the entire page content. In this context, the question arises:
How can we print only selected HTML content when a button is clicked, excluding the rest of the page?
Solution:
The suggested solution to keep the hidden HTML content in a display: print div is a valid approach. However, there is a simpler and more efficient method:
Create a Print Stylesheet:
- Create a CSS file named "print.css" containing the following code:
<code class="css">@media print { .noPrint { display: none; } }</code>
This code will hide elements with the class "noPrint" when the page is printed.
- Apply the NoPrint Class:
Identify the HTML content that should not be printed and add the class "noPrint" to these elements, such as:
<code class="html"><h1 id="No-Print">No Print</h1></code>
- Include the Print Stylesheet:
Add the following line to the
section of your HTML document:<code class="html"><link rel="stylesheet" href="print.css" media="print"></code>
- Add the Print Button:
Create a button that triggers the print dialog when clicked:
<code class="html"><button onclick="window.print()">Print</button></code>
Explanation:
When the print button is clicked, the window.print() method is called, opening the browser's print dialog. The CSS media query @media print { ... } is triggered, causing the elements with the class "noPrint" to be hidden. As a result, only the desired HTML content is printed.
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