How do you write a comment in javascript?

870

---

How to get value of an element by class in javascript ?

959

---

What is console.log() and why it is used?

1079

---

What is 'use strict'?

977

---

what are the difference unescape() and escape() functions?

969

---

What is singleton class in javascript? Explain

979

---

What is null in javascript?

992

---

Who introduced javascript?

934

---

What is console.log()?

945

---

What is the difference between "var" and "let" keywords?

941

---

What are the difference between undefined and not defined in javascript?

1004

---

What are the difference between alert() and confirm()?

873

---

What is cdn? Explain

784

---

How to concatenate two strings using jquery?

888

---

How to validate email using jquery?

889

---