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JavaScript charCodeAt() Method

String Object Reference JavaScript String Object

Definition and Usage

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

Syntax

stringObject.charCodeAt(index)

Parameter Description
index Required. An integer between 0 and the length of the string-1.

The index of the first character is 0, and the index of the last character in a string called "txt" is txt.length-1.

Example

Example

Return the Unicode of the character at position 1 in a string:

<script type="text/javascript">

var str="Hello world!";
document.write(str.charCodeAt(1));

</script>

The output of the code above will be:

101

Try it yourself »

String Object Reference JavaScript String Object

From http://www.w3schools.com (Copyright Refsnes Data)