get first element of class jquery code example

Example 1: select the first elemnt have class in jquery

$( ".box" ).first().css( "font-style", "bold" );

Example 2: get first element by class name jquery

$(".popContent:first").html()

Example 3: select the first elemnt have class in jquery

<script>
  // jquery
$( "tr:first" ).css( "font-style", "bold" );
</script>