set data-id value jquery
$('#mydiv').attr('data-myval', 'Undertaker'); // sets
$('#mydiv').attr('data-myval'); // getsset data-id value jquery
$('#mydiv').attr('data-myval', 'Undertaker'); // sets
$('#mydiv').attr('data-myval'); // getsjquery get data-id
const dataId = $('#elementId').attr("data-id");jquery get data-id
$(this).data("id") // will return the number 123set data attribute with a string jquery
alert($('#outer').html()); // alerts <div id="mydiv" data-myval="10"> </div>
var a = $('#mydiv').data('myval'); //getter
$('#mydiv').attr("data-myval","20"); //setter
alert($('#outer').html()); //alerts <div id="mydiv" data-myval="20"> </div>Copyright © 2021 Codeinu
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