get selected value of dropdown in jquery on change code example

Example 1: how to fetch the selected value of dropdown jquery

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$('#ddlName option:selected').val();

Example 2: jQuery change select value

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

Example 3: jquery dropdown selected value show field

jQuery(document).ready(function() {
    jQuery("#carm3").change(function() {
        if (jQuery(this).val() === 'other'){ 
            jQuery('input[name=other_interest]').show();   
        } else {
            jQuery('input[name=other_interest]').hide(); 
        }
    });
});

Example 4: how To fetch the index of dropdown using jquery

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$('#ddlPartnerType option:selected').index()

Example 5: jquery: get selected option of the drop down list

$('#ddlID').val();
$('#ddlID').text();