javascript - Selecting and manipulating CSS pseudo-elements such as ::before and ::after using jQuery -


is there way select/manipulate css pseudo-elements such ::before , ::after (and old version 1 semi-colon) using jquery?

for example, stylesheet has following rule:

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

how can change 'foo' 'bar' using jquery?

you pass content pseudo element data attribute , use jquery manipulate that:

in html:

<span>foo</span>

in jquery:

$('span').hover(function(){     $(this).attr('data-content','bar'); });

in css: 

span:after {     content: attr(data-content) ' other text may want'; }

if want prevent 'other text' showing up, combine seucolega's solution this:

in html:

<span>foo</span>

in jquery:

$('span').hover(function(){     $(this).addclass('change').attr('data-content','bar'); });

in css: 

span.change:after {     content: attr(data-content) ' other text may want'; }

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