charCodeAt
var str = "A"
var charCode = str.charCodeAt(0)//65 String.fromCharCode
var charCode = 65
var str = String.fromCharCode(charCode);
//str = 65; 
노션 : https://garrulous-gander-3f2.notion.site/c488d337791c4c4cb6d93cb9fcc26f17
var str = "A"
var charCode = str.charCodeAt(0)//65 var charCode = 65
var str = String.fromCharCode(charCode);
//str = 65;