JSFiddle - React, Tailwind, and code Playground

JavaScript

var data = "INSERT_OK_BLABLA";
    
switch (true) {
case data.startsWith("INSERT_OK_"):
    var url = "index.php?op=ok&id=" + data.slice("INSERT_OK_".length);
    alert(url);
    break;
default:
    alert("default");
    break;
}