- What is Callback hell ?
- Explain promises in JavaScript ?
- Difference between observable and a promise
- How to create custom events in JavaScript ?
- Difference between prototype and _proto_ ?
- Explain prototypal inheritance in JavaScript ?
- Difference between for in and for of loop ?
- Difference between get and post methods ?
- Difference between post and put methods ?
- When we pass an object to a function are they passed by reference or by value ?
- What are the design patterns in JavaScript ?
- What do u understand by the terms mutable and immutable in JavaScript ?
- What is Async and Await in JavaScript ?
- Is array a data type ?
- How can we overwrite any JavaScript inbuilt property (like array.push())
- Explain exception handling in JavaScript ?
- Difference between a transpiler and a compiler ?
- How to apply conditional breakpoints in chrome browser debugging tool ?
- How to check if a number is an integer without using math function and…