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.
Example
HTML Online Editor
<!DOCTYPE html>
<html>
<body>
<script>
var str = "Hello there";
var myCharCode = str.charCodeAt(1);
document.write("myCharCode = " +myCharCode);
</script>
</body>
</html>
Syntax
str.charCodeAt(index)
Parameter Values
| Value | Type | Explanation |
|---|---|---|
| index | optional | Specifies 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
| Value | Explanation |
|---|---|
| Number | Returns a number representing the UTF-16 code unit value of the character at the given index. |
| NaN | If index is out of range. |
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