What is difference between string and array?

Answer 1

https://www.w3schools.com/jsref/jsref_obj_string.asp
string stores a series of characters like "John Doe".

A string can be any text inside double or single quotes:

https://www.w3schools.com/js/js_arrays.asp

arrays are used to store multiple values in a single variable.

Answer 2

http://www.differencebetween.net/technology/difference-between-array-and-string/