ROBLOX Group Rank Change

// To find these values, inspect-element on the rank drop downs.
// The IDs you need will be in the <select> element. Find the <option> elements.
// The value attribute of the <option> elements hold the rank IDs
var rankIDToChangeUsersFrom = 21285192;
var rankIDToChangeUsersTo = 2960472;

// First, we'll set the page to only show members of the rank to change from.

var rankFilterSelect = $("#RoleSetSearchId");
var filterSearchButton = $("#MemberSearchButton");

rankFilterSelect.val(rankIDToChangeUsersFrom).trigger("change");
filterSearchButton.click();

setInterval(function(){
    $(".GroupMember > select").val(rankIDToChangeUsersTo).trigger("change");
    filterSearchButton.click();
}, 1000);