JAVASCRIPT

how to you get a specific letter in a string in js

let str = 'John Wick'
let firstChar = str. charAt(0)
console. log(firstChar); // "J"

How find a specific character in js

var word = "This is how you locate a word in a string";
var n = word.includes("word");

how to identify specific letter from a string in javascript

var str = "Hello world, welcome to the universe.";
var n = str.includes("world", 12);