TechVariable Interview Question

Q:1. The Leadership Problem. (It is an array based problem) Link to the problem: https://www.geeksforgeeks.org/javascript-program-for-leaders-in-an-array/ Q:2. JavaScript Output Based questions. Tricky ones. Q:3. JavaScript concepts - Closures, Callback Hell and Promises, Event Capturing and Bubbling, Callback Queue, Event Loop, Hoisting, Error Types in JavaScript, Event Delegation, Execution Context, Call Stack etc. Q:4. Create a Promise in JavaScript. Q:5. How can you insert the letters from A-Z in an array?