for character in string 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: js for each character in string

for (var i = 0; i < str.length; i++) {
  alert(str.charAt(i));
}

Example 3: javascript get first character of string

var str="Hello Folks!"
var firstStringChar = str.charAt(0); //H