How do you round to 1 decimal place in Javascript?

Question

Can you round a number in javascript to 1 character after the decimal point (properly rounded)?

I tried the *10, round, /10 but it leaves two decimals at the end of

Answer 1

To complete the Best Answer:

var round = function ( number, precision )
{
    precision = precision || 0;
    return parseFloat( parseFloat( number ).toFixed( precision ) );
}

The input parameter number may "not" always be a number, in this case .toFixed does not exist.