Get jquery data

Jquery get data-*

// Fetching data
var fruitCount = $(this).data('fruit');
OR 
// If you updated the value, you will need to use below code to fetch new value 
// otherwise above gives the old value which is intially set.
// And also above does not work in ***Firefox***, so use below code to fetch value
var fruitCount = $(this).attr('data-fruit');

// Assigning data
$(this).attr('data-fruit','7');

Source: stackoverflow.com

Jquery get data element

$(this).data('cars');

Source: grepper.com

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