Jennifer Combs said: I want that the second drop-down list should get enabled only if we choose Event Admin in the first drop-down list. If, however, you'd rather use JavaScript without an additional library the above functionality is easily attainable: The dropdown list in my example here is an HTML5 <select> element. Show/hide options from dropdown using jQuery Pam Bassett said: Scenario 1 - Select one option from any dropdown.It should be disabled from other dropdowns. approach: first of all we have to load the font library in your html file using the following syntax: now import maticonmodule in the ngmodule.ts file by using this command: import {maticonmodule} from '@angular/material/icon'; the font-awesome is a toolkit for web and mobile applications that provides icons and social logos Solution 1 $("select option[value*='Sold Out']").prop('disabled',true); Demo. I wonder that everyone has posted about value and text option to get from and no one suggested label.. hidden.bs.dropdown There are only 12 districts so the jQuery Autocomplete UI control isn't populated by code. The muli selection is enabled by adding multiple attribute property. Any ideas? This website uses cookies. Approach : To add more option to the existing drop-down list using the append method : var options = { val1: 'C#', val2: 'PHP' }; var selectOption = $ ('#programmingLanguage'); $.each You can read it here. Another way to use the above, without hard-coding specific values is to rely upon the 9 years ago there is a method 'disable' for select menu's http://api.jquerymobile.com/select/#method-disable I hope this meet your requirment.please find this solution:- https://jsfiddle.net/f80zdjnf/11/ and