# How to return a number indicating the Unicode value of the character?

HTMLJavascriptProgramming Scripts

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The charCodeAt() method returns a number indicating the Unicode value of the character at the given index. Unicode code points range from 0 to 1,114,111. The first 128 Unicode code points are a direct match of the ASCII character encoding.

The following parameter is supported by charCodeAt(index) −

• index − An integer between 0 and 1 less than the length of the string; if unspecified, defaults to 0.

## Example

You can try to run the following code to return a number indicating the Unicode value of the character −

<html>
<title>JavaScript String charCodeAt() Method</title>

<body>
<script>
var str = new String( "This is string" );
document.write("str.charCodeAt(0) is:" + str.charCodeAt(0));
document.write("<br />str.charCodeAt(1) is:" + str.charCodeAt(1));
document.write("<br />str.charCodeAt(2) is:" + str.charCodeAt(2));
document.write("<br />str.charCodeAt(3) is:" + str.charCodeAt(3));
document.write("<br />str.charCodeAt(4) is:" + str.charCodeAt(4));
document.write("<br />str.charCodeAt(5) is:" + str.charCodeAt(5));
</script>
</body>
</html>
Updated on 23-Jun-2020 08:41:29