extract a line of text in javascript 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: pull out only text from element javascript

function extractContent(html) {

    return (new DOMParser).parseFromString(html, "text/html") . 
        documentElement . textContent;

}