Expected behavior

Calling splice with a single argument (.splice(0)) on data should clear the array.
The second argument is optional.

Current behavior

Instead it throws an error:

Uncaught RangeError: Invalid array length

Reproducible sample

https://jsfiddle.net/1trhp2kf/

Possible solution

This can be circumvented by providing the second argument:

.splice(0, Infinity)

The problem seems to be with this line.

const newCount = arguments.length - 2;

When there is only one argument, newCount becomes -1, which in an invalid length.

chart.js version

v4.5.1