how to set value of dropdown in jquery code example

Example 1: change value of drop down using jquery

$('#ddlID').val('New_OptionValue').change()

Example 2: set dropdown in jquery

$('select[name^="salesrep"] option[value="Bruce Jones"]').attr("selected","selected");

Example 3: how to set dropdown value in jquery

$("#comboboxid").val(yourvalue).trigger("chosen:updated");

Example 4: set dropdown in jquery

$('select[name^="salesrep"] option:selected').attr("selected",null);