1) How does Oauth work ?
2) Explain journey of a URL ?
3) How does caching work in a CDN? How do you push a new file out to CDN?
4) Emulate the throttle function()
// Allow callback to run at most 1 time per 100ms window.addEventListener("resize", throttle(callback, 500)); // Allow callback to run on each resize event window.addEventListener("resize", callback2); function callback () { console.count("Throttled"); } function callback2 () { console.count("Not Throttled"); } function throttle (callback, limit) { var wait = false; // Initially, we're not waiting return function () { // We return a throttled function if (!wait) { // If we're not waiting callback.call(); // Execute users function wait = true; // Prevent future invocations setTimeout(function () { // After a period of time wait = false; // And allow future invocations }, limit); } } }