Converting unicode character to string format

Question

Does anyone know how to convert a unicode to a string in javascript. For instance:

\\u2211 -> ∑ \\u0032 -> 2 \\u222B -> ∫

Answer 1

Another way:

const unicodeText = "F1A3";
let unicodeChar = JSON.parse(`["\\u${unicodeText}"]`)[0];