Method toNumber

src/main/java/org/dynjs/runtime/Types.java:115–143

(ExecutionContext context, Object o)

    }

    public static Number toNumber(ExecutionContext context, Object o) {
        // 9.3
        if (o instanceof Number) {
            return (Number) o;
        }

        if (o == Types.UNDEFINED) {
            return Double.NaN;
        }

        if (o == Types.NULL) {
            return 0L;
        }

        if (o instanceof JSObject) {
            return toNumber(context, toPrimitive(context, o, "Number"));
        }

        if (o instanceof Boolean) {
            if (o == Boolean.TRUE) {
                return 1L;
            }

            return 0L;
        }

        Number n = stringToNumber(o.toString());
        return n;
    }

    public static String trimString(String value) {
        int len = value.length();