Is it possible to dynamically add :hover effects using jQuery in a CSS stylesheet?
Here is a basic example:
a.bar {
color: green;
font-size: 13px;
}
a.bar:hover {
color: purple;
font-size: 14px;
}
How can one access the color and font-size values before hovering over the anchor link?
If you ever find yourself in a situation where you must access this information, remember that it can be done through the document.styleSheet property. For an illustration, check out this link: http://jsfiddle.net/Xm2zU/1/
Keep in mind that Internet Explorer requires its own specific code for this task, as it utilizes ".rules" instead of ".cssRules", and so on.
Check out these additional jQuery selectors for more options.
If you're looking to add hover effects, consider using the hover event. For more information, refer to this post: jQuery hover and class selector.
Is it possible to access the color and font-size of an anchor element before hovering over it?
Unfortunately, you cannot retrieve the styling information for a :hover pseudo class without actually hovering your mouse over the element. JavaScript is limited to interacting with the HTML via the DOM, and the style details for the hovered state are not accessible until the element is moused over. Therefore, attempting to retrieve these values (even through simulated hover states) is not feasible.
Instead of using mouseover and mouseout, consider utilizing the .hover() function provided by jQuery.
http://api.jquery.com/hover/
$( "a.bar" ).hover(
function() {
$( this ).css( 'background-color','yellow' );
}, function() {
$( this ).css( 'background-color','green');
}
);
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