Altimetrik | Angular Developer (Mid Level) | Technical Questions

What was the most challenging issue you faced in a project? Difference between var, let, and const? Difference between == and ===? What is Closure in JavaScript? give real time example with usecase? Explain Event Loop in JavaScript? Difference between null and undefined and their types? What is a Promise? explain its states? What are the states of a Promise? Difference between map(), filter(), and reduce()? real time...