smartSense Consulting Solutions interview questions

#)Node js: //app.use(express.json()); // app.use(express.urlencoded({ extended: true })); // process.nextTICK // HELMET ? // json-parser ? // node-cron ? // even emitter / listener ? // buffers #)MongoDB // database sharding // $unwind // $bucket // $set // $nin // $eq #) JS coding questions // const input = "Welcome to world"; // Output:- "emocleW ot dlrow" / function runFunc(){ // console.log("B" - 1); // console.log(2 + "-3" + "3"); // console.log(typeof typeof null); // } // runFunc(); // var a = []; // a[100] = 1; // console.log(a.length); // console.log(a[99]); // let a = 10, b = 20; // setTimeout(function () { // console.log('Ankit'); // a++; // b++; // console.log(a + b); // }); // console.log(a + b);

1. other method to create react app 2. diff between npm and npx 3. webpack configuration 4. how to share information between two domains. (cross browser sharing ?? ) 5. difference between let and const 6. shallow copy and deep copy of object 7. input type="email" is handled by html or js ? 8. img tag property to lazy load the images 8. position- static and sticky difference 9. layout to make square arrangement - grid right answer.