how to get first word of a string in javasscript code example

Example 1: how to get the first character of a string in javascript

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

Example 2: get first word of string js

let myStr = "Hello World"
let firstWord = myStr.split(" ")[0]