Javascript toFixed Not Rounding

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I have yet to find a number that toFixed10 does wrong. Can anybody else?

Thanks to blg and his answer which pointed me to Mozilla’s toFixed10() method.

Using that I came up with this short one liner, which indeed covers all cases mentioned here…

function toFixed( num, precision ) {
    return (+(Math.round(+(num + 'e' + precision)) + 'e' + -precision)).toFixed(precision);
}

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