Is there a way to multiply out (undo) exponential notation for floats?

[petertorelli]

Consider this:

a = 1234.56;
a.toPrecision(3);
// 1.23e+3

How do I force this back to 1230 using .format()? I know I can do it with logs/mods, etc, but I was hoping there's a way to do it with this library. I basically want it to always print significant figures, like toPrecision but without switching to exponents if the significant figures are fewer than or equal to the log10 of the value.