get value of selected option jquery on change code example

Example 1: jquery get selected option value

var selectedOptionText = $('#mySelectID').find(":selected").text();//selected option text
var selectedOptionVal = $('#mySelectID').find(":selected").val();//selected option value

Example 2: .on change get value

$('select').on('change', function() {
  alert( this.value );
});

Example 3: get selected option value jquery

$("#vacc_wellness_agegroups option:selected").val();

Example 4: jQuery change select value

$("#mySelectElementID").val("my_new_value"); //change selected option/value with jQuery