Answers for "jquery check if dropdown is disabled"

disable option dropdown jquery

//disable by value
$("#ddlList option[value='jquery']").attr("disabled","disabled");

//disable by text
$('#ddlList option:contains("HTML")').attr("disabled","disabled");

jquery option not disabled

const opt = $('#select option:not(:disabled)'); // array with all options not disabled
const first = $($('#select option:not(:disabled)')[0]); // first option not disabled