JavaScript String charCodeAt() Method

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JavaScript String charCodeAt() Method

The charCodeAt() method returns an integer between 0 and 65535 representing the UTF-16 code unit at the given index.


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<!DOCTYPE html> <html> <body> <script> var str = "Hello there"; var myCharCode = str.charCodeAt(1); document.write("myCharCode = " +myCharCode); </script> </body> </html>



Parameter Values

indexoptionalSpecifies the index of the character you want to return a number representing the UTF-16 code unit value.
If no index is provided, the default is '0'.

Return Values

NumberReturns a number representing the UTF-16 code unit value of the character at the given index.
NaNIf index is out of range.


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