javascript - jQuery prop impacts performance in IE 11 -


i have implemented filter in javascript ie11, , other browsers. when key pressed matching options on listbox activated according text. , rest hidden. code far:

function onkeyup(event) {     searchkeypress(this, 'actions_options') }  function searchkeypress(input, listboxid) {     var value = $(input).val();     if (value != "") {         if (isie()) {             $("#" + listboxid + " option").prop('disabled', true);             $("#" + listboxid + " option:contains(" + value + ")").prop('disabled', false);         } else {             $("#" + listboxid + " option").hide();             $("#" + listboxid + " option:contains(" + value + ")").show();         }     } else {         if (isie()) {             $("#" + listboxid + " option").prop('disabled', false);         } else {             $("#" + listboxid + " option").show();         }     } }  function isie() {      return navigator.appname == 'microsoft internet explorer' || navigator.appname == 'netscape'; }

problem when start typing in ie11, takes half minute or disable non-matching options, giving feeling not working, although disables them.


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