Explain promise in javascript?

820

---

What is the use of let & const in javascript?

897

---

What is use of settimeout function in javascript?

1018

---

What are the different types of errors available in javascript?

943

---

How to calculate fibonacci numbers in javascript?

955

---

How to import all exports of a file as an object.

917

---

List the comparison operators supported by javascript?

928

---

What is javascript bom?

1000

---

Explain “use strict” ?

878

---

What is the difference between the substr() and substring() functions in javascript?

929

---

Explain what is javascript? List some data types supported by javascript?

850

---

Write a program to reverse a string in pure javascript?

924

---

How to get inner html of an element in javascript?

918

---

How to you change the title of the page by javascript?

875

---

What close() does in javascript?

902

---