How to Add a Custom CSS File to a jQuery Pop-up Window?

Adding a CSS File to a jQuery Pop-up Window

When working with jQuery pop-ups, you may encounter the need to incorporate additional styling for a specific pop-up window. This article aims to address the question of how to add a custom CSS file to a pop-up window and provides a solution that works effectively.

The JavaScript code you provided demonstrates the creation of a pop-up window using an element. To add a CSS file to this pop-up window, you should append the required link element within the section of the pop-up window's HTML content.

In your code, you attempted to append the link element to the element with the class popupwindow. However, this approach will not work because the append() method operates on the DOM of the main document, not the pop-up window. To append an element to the head of the pop-up window, you need to target the element within the pop-up window's content.

A working solution to add a CSS file to the pop-up window is provided below:

$('head').append('<link rel="stylesheet" href="style2.css" type="text/css" />');

This code will append the link element to the head of the main document, which will be inherited by the pop-up window. This should successfully load and apply the styles from the specified CSS file to the pop-up window.

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