set a data property jquery code example

Example 1: set 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>

Example 2: jquery get data attribute

<a data-id="123">link</a>


var id = $(this).data("id"); // Will set id to 123