Convert javaScript floating point numbers to string without loosing insignificant trailing zeros

问题

when converting javascript floating point numbers to string format insignificant trailing decimal zeros are lost.

for an example

var num = 20.0;
altert(num);

will give output as 20

how can i stop removing insignificant decimal trailing zeros when formatted as string

回答1:

Answer that was already given

Please take above reference

来源：https://stackoverflow.com/questions/31554276/convert-javascript-floating-point-numbers-to-string-without-loosing-insignifican