ParseFloat function in JavaScript

javascript floating-point parsefloat
Aarti Jain picture Aarti Jain · Oct 6, 2008 · Viewed 17.6k times · Source

When I am adding two textbox values that are 1.001 and 0.001 and then I do a parseFloat I get 1.0019999999. I want it 1.002 . Can you help me?

Answer

17 of 26 picture 17 of 26 · Oct 6, 2008

The Javascript Number class has a toFixed() function that will get you what you want.

So you could do parseFloat("1.0019999").toFixed(3) and that would give you 1.002.

The parameter (3 in this case) is the number of digits to show after the decimal point

Related questions

Format number to always show 2 decimal places

I would like to format my numbers to always display 2 decimal places, rounding where applicable. Examples: number display ------ ------- 1 1.00 1.341 1.34 1.345 1.35 I have been using this: parseFloat(num).toFixed(2); But it's displaying 1 as 1, rather than 1.00.

Read More
How to parse float with two decimal places in javascript?

I have the following code. I would like to have it such that if price_result equals an integer, let's say 10, then I would like to add two decimal places. So 10 would be 10.00. Or if it equals 10.6 would be 10.60. Not …

Read More
How to format a float in javascript?

In JavaScript, when converting from a float to a string, how can I get just 2 digits after the decimal point? For example, 0.34 instead of 0.3445434.

Read More