convert char to number javascript code example

Example 1: how to convert string to int js

let string = "1";
let num = parseInt(string);
//num will equal 1 as a int

Example 2: how to convert char to number in js

// the first parameter is the index of the string to convert to an ascii code
"A".charCodeAt(0);
//output: 65

Example 3: javascript convert between string and ascii

let ascii = 'a'.charCodeAt(0); // 97
let char = String.fromCharCode(ascii); // 'a'