Get Unicode of the character at a specified position

The charCodeAt() method returns the Unicode of the character at a specified position.

stringObject.charCodeAt(index)
Parameter: index Required
Description: A number representing a position in the string

Note: The first character in the string is at position 0.

Example
In the string "Hello world!", we will return the Unicode of the character at position 1:
<script type="text/javascript">
var str="Hello world!"
document.write(str.charCodeAt(1))
</script>
The output of the code above will be:
101

Final code and demo is here

Demo

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