index.js
function numarray(x) {
    for (var j = 0, o = []; j < x.length; j++) o[j] = parseFloat(x[j]);
    return o;
}
function numarray(x) {
    for (var j = 0, o = []; j < x.length; j++) o[j] = parseFloat(x[j]);
    return o;
}
function numarray ( x ) { for ( var j = 0 , o = [ ] ; j < x . length ; j ++ ) o [ j ] = parseFloat ( x [ j ] ) ; return o ; }
cast array x into numbers
cast array x into numbers