JSFiddle - React, Tailwind, and code Playground

JavaScript

$(function() {
    var body = $('body')[0];

    switch (body.id) {
        case 'thing_page':
           // Do stuff for thing page
           $('input.finder').focus(function(){ ... });
           break;
        case 'other_page':
           // do stuff for other page
           break;
        case 'third_page':
           // Do stuff for third page
           break;
        // ...and so on and so forth...
    }
});