Returns the Unicode value of the character at the specified location.
Syntax
strObj. charCodeAt(index)
Parameters
strObj
Required. Any String object or string literal.
index
Required. The zero-based index of the desired character. If there is no character at the specified index, NaN is returned.
Remarks
Example
The following example illustrates the use of the charCodeAt method.
var str = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
document.write(str.charCodeAt(str.length - 1));
// Output: 90
Requirements
Supported in the following document modes: Quirks, Internet Explorer 6 standards, Internet Explorer 7 standards, Internet Explorer 8 standards, Internet Explorer 9 standards, Internet Explorer 10 standards, Internet Explorer 11 standards. Also supported Store apps (Windows 8 and Windows Phone 8.1). See Version Information.