Values Return NAN in PHP

Question

 HI, 

While fetching data from 1-row return correct values after that 2nd values onwards return NAN .Please help me.

Answer 1

i think you use some operation like add or sub etc of variables so you try parse.int or parse.float reference to below url https://stackoverflow.com/questions/15083724/getting-a-nan-error-cant-figure-out-why

Answer 2

from where you are fetching ??? 

 

 

from JS means, use Number function -> there is a function which will took only numeric values. Parse with number value. !!!!