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Editorial Team
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Asked: 2026-06-18T03:29:48+00:00

I’m trying to add an attribute to an element with jQuery; since my markup

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I’m trying to add an attribute to an element with jQuery; since my markup is created on-the-fly I can’t directly add the attribute. Why is the below script not adding the attribute? Why is this fiddle not functioning as desired? Here is the fiddle I am trying to get working with some sample markup included.

// set the tooltip content
jQuery('li#menu-item-75 a:hover:before').prop('tooltipText', 'w00t');
jQuery('li#menu-item-75 a:hover:after').prop('tooltipText', 'w00t');
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1 Answer

  1. Editorial Team

    You’ll have to set the data attribute with .attr() in order for the DOM attribute to actually be affected:

    jQuery('li#menu-item-75 a').attr('data-tooltip', 'w00t');

    :hover and :before/:after don’t work with jQuery selectors.

    Demo: http://jsfiddle.net/fkdh8/13/

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