JSFiddle - React, Tailwind, and code Playground

JavaScript

var tmp = [
["fb-method","drop",false,"How did you order?"],
["fb-date","calendar",false,""],
["fb-time","drop",false,""],
["fb-amount","text default",false,""],
["fb-share","drop",false,""],
["fb-msg","textarea",true,""],
["next-btn","button",true,""]
];

if(jQuery.inArray("fb-location", tmp)) {
    alert("it exists");
}
else {
    alert("it doesn't exist");
}