[jquery] How to set data attributes in HTML elements

You can also use the following attr thing;

HTML

<div id="mydiv" data-myval="JohnCena"></div>

Script

 $('#mydiv').attr('data-myval', 'Undertaker'); // sets 
 $('#mydiv').attr('data-myval'); // gets

OR

$('#mydiv').data('myval'); // gets value
$('#mydiv').data('myval','John Cena'); // sets value

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