get count of div by class
var numItems = $('.item').length;
get count of div by class
var numItems = $('.item').length;
count all elements with class jquery
var numItems = $('.item').length;
get all classes of element jquery
var classList = $('#divId').attr('class').split(/\s+/);
$.each(classList, function(index, item) {
if (item === 'someClass') {
//do something
}
});
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