javascript number round 2 decimal places

This article mainly introduces multiple methods to retain two decimal places in javascript. If the original decimal places of a number are less than two decimal places, the missing digits are automatically set to zero. If you are interested, please

This article mainly introduces the two udfs that retain two decimal places in JavaScript. For more information, see some floating point numbers with multiple decimal places. We may only need to keep two digits, but js does not provide such a direct

It is the result of Lua's computation. We can see that the computation result is very accurate. It is the calculation result of Python3. We can see that the calculation result is inaccurate: the decimal computation in JavaScript is also inaccurate.

In js, the most common method for getting the decimal point and the two decimal points is the rounding function. I have previously introduced this common function in js, which is useful here, next let's take a look at some methods to sum up the two

Use Math directly. there is a problem with round (x * 100). Sometimes there is a very small error, and many decimal places are displayed. For example, 0.9996*100 will change to 99.96000000000001. What I want is below, if you are interested, refer to

For floating point numbers with multiple digits after decimal points, we may only need to retain two digits, but js does not provide such a direct function. Therefore, we have to write the function to implement this function by ourselves. The Code

This article is the official HTML5 training course for h5edu institutions, mainly introduces: JavaScript intensive tutorial--javascript Math (Arithmetic) object The function of the Math object is: Perform common arithmetic tasks. Round () How to use

Someone asked JavaScript how to intercept decimal places and rounding them out. This is a very common JS technology. Many new users may encounter this problem, so I sorted out the post, for new users. 1. Round MethodPurpose: return the nearest

The first, using Math.Round The code is as follows Copy Code var original=28.4531)//round "original" to two decimalsvar result=math.round (original*100)/100; Returns 28.452)//Round "original" to 1 decimalvar

From: http://kevinpeng.javaeye.com/blog/772591   Although the number object in JS comes with the tofixed Method Java Code 2.3567. Tofixed (2) 2.3567.tofixed (2) However, because users use different browsers and these browser JS