This is a simple script to select first option of a select-box using jquery $('button').click(function(){ $("#CardCountry").val($("#CardCountry option:first").val()); });

There is are three methods in JQuery that deals with the height of a element. .height() : it measure the height of the element/container excluding applied padding, margin and border-width. .innerHeight() : it measure the height of the element/container excluding applied margin…

To reset dropdown/ or selectbox, we can simply fire this javascript code on any dom event document.getElementById("id_of_selectbox").selectedIndex = -1; The selectedIndex method of javascript will reset the index of the selected dropbox. Another and better optio…