What is the difference between JavaScript Engine and JavaScript Runtime Environment

Question

I\'m feeling a bit confused, could someone help to describe What is the difference between JavaScript Engine and JavaScript Runtime Environment. BTW, Event Loop was impleme

Answer 1

Imagine a robot is playing a music:

• The JavaScript code would be the music notes to the robot.
• TheJavaScript engine would be the robot which can understand the notes and act on it.
• The JavaScript runtime would be the instruments the robot can use in order to play the music.

Imagine a robot is putting out a fire:

• The JavaScript code would be the instructions to the robot to put out a fire.
• The JavaScript engine would be the robot which can understand the instructions and act on it.
• The JavaScript runtime would be the fire truck, and the water gun.