How to select and manipulate CSS pseudo-elements such as before and after using jQuery

0 votes

Is there any way to select/manipulate CSS pseudo-elements such as ::before and ::after (and the old version with one semi-colon) using jQuery?

For example, my stylesheet has the following rule:

.span::after{ content:'foo' }

How can I change 'foo' to 'bar' using jQuery?

May 18, 2020 in Java-Script by kartik
• 37,530 points
2,455 views

1 answer to this question.

0 votes

Hii @kartik,

Here is the way to access :after and :before style properties, defined in css:

// Get the color value of .element:before
var color = window.getComputedStyle(
    document.querySelector('.element'), ':before'
).getPropertyValue('color');

// Get the content value of .element:before
var content = window.getComputedStyle(
    document.querySelector('.element'), ':before'
).getPropertyValue('content');
answered May 18, 2020 by Niroj
• 82,780 points

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