how to get each character of a string in javascript code example

Example 1: js for each character in string

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

Example 2: javascript loop through string

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

Example 3: javascript get first character of string

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