Answers for "get data-id value in javascript"

javascript get data-id attribute

//get data-id attribute in plain Javascript
var element = document.getElementById('myDivID');
var dataID = element.getAttribute('data-id');

//get data-id using jQuery
var dataID = $('myDivID').data('data-id');

set data-id javascript

$('#test').attr('data-id' , 'Next');   // JQuery