JAVASCRIPT

jquery selector this and class

$(".class").click(function(){
     $(this).find(".subclass").css("visibility","visible");
});

how to select class in jquery

$('.your_class_name')

jquery find selected option by class

$(this).find('option:selected').attr("name");

jquery select by class

<p id="test" class="hello">Hello</p>

<script>
  //Hide all html elements "p"
  $("p").hide();
  //Hide id="Test"
  $("#test").hide();
  //Hide all class="hello"
  $(".hello").hide();
  //Hide all "p" with class="hello"
  $("p.test").hide();
</script>

jquery class selector

$(".className")

jquery class selector

$('.class').jquery_function();

select a class jquery

document.querySelector('h1');
//basically the $ = document.querySelector()
//below is the equivalent to above
$('h1'); // by element
$('.by-class');
$('#by-id');

jquery select element with class

$('.classid')