Its kind of anonymous link based messaging app, so theres no authentication stuff. Im worried that someone can easily read/write to my database. in the first drop down you only load the categories and in the second you load all the ddvals.Once this part works, you had a jquery layer to populate the second list with the right ddvals based onI enjoy reading your articles. For the json portion, I would suggest: "beverages": "Coffee,Coke" In This tutorial, you will learn Simple jQuery Drop Down Menu Tutorial.1- The HTML Markup. While creating menus, the most preferred method is to use some sort of lists which will ease in standardization of the thing. Is there not a way to set a DROPDOWN list to READONLY using jQuery? The objective is to NOT let a user change the value selected in the dropdown list. I am able to set a dropdown list to DISABLE using jQuery but I cannot seem to make it readonly. jQuery Practical exercise Part - I : Exercise-31. Add options to a drop- down list using jQuery. Sample Solution: HTML Code There are only really 3 parts of this functionality other than the includes of JQuery and JQuery.UI.