How can I toggle classes in CSS based on whether the media print or screen?
Is there a way to dynamically remove and add classes in a CSS file?
For example:
@media print{
.element{/*Remove class*/}
}
@media screen{
.element{/*Add class*/}
}
I'm looking for a solution to remove the ui-tabs-hide class that's applied by jQuery (making elements hidden in an unconventional way) specifically when printing, and then reapply it after printing is complete.
CSS is primarily used to style the content on a webpage, not manipulate the structure of the DOM.
While CSS cannot physically remove elements from the HTML document, there is a workaround you can use. Consider this code snippet:
@media print{
element.relevantclass
{
display: none;
}
By including this code, you instruct the printed media not to show the specified element.
One way to achieve this is by utilizing jQuery.
$(<element>).removeClass() // or removeClass(<the class to be removed>)
$(<element>).addClass(<new class>)
If you wish to apply these changes upon page load, you can place the code inside the document ready function like so:
$( document ).ready(function() {
$(<element>).removeClass()
$(<element>).addClass(<new class>)
});
While this solution may not directly help the original poster, it could be beneficial for others who stumble upon this thread searching for "How to delete a CSS class."
Although CSS does not allow for the removal of a specific class from the DOM, there are ways to eliminate the styles associated with that class, as noted by Quentin. This can be achieved using properties like revert or unset (potentially combined with all:).
For instance, consider the following example where an anchor is styled as a button on touch-enabled devices but reverts back when accessed via mouse input:
.button-anchor {
/* sample class modifying various properties */
display: inline-flex;
justify-content: center;
align-items: center;
column-gap: 0.5em;
background-color: steelblue;
color: white;
border: none;
border-radius: 4px;
padding: 8px 16px;
cursor: pointer;
text-decoration: none;
text-align: center;
}
@media (pointer: fine) {
.button-anchor {
all: revert;
}
}<a class="button-anchor" href="">click me</a>Remember to utilize your browser's "responsive design mode" to switch between touch and mouse functions.
Although CSS does not allow for the direct removal of a class, it is possible to override its properties.
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