Array Element

https://www.w3schools.com/js/tryit.asp?filename=tryjs_string_split

<!DOCTYPE html>
<html>
<body>

<p>Click "Try it" to display the first array element, after a string split.</p>

<button onclick="myFunction()">Try it</button>

<p id="demo"></p>

<script>
function myFunction() {
var str = "a,b,c,d,e,f";
var arr = str.split(",");
document.getElementById("demo").innerHTML = arr[0];
}
</script>

</body>
</html>

' SPLIT

https://www.w3schools.com/js/tryit.asp?filename=tryjs_string_split_char

<!DOCTYPE html>
<html>
<body>

<p id="demo"></p>

<script>
var str = "Hello";
var arr = str.split("");
var text = "";
var i;
for (i = 0; i < arr.length; i++) {
text += arr[i] + "<br>"
}
document.getElementById("demo").innerHTML = text;
</script>

</body>
</html>