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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
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
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
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
Jvasloud computing retains one or two decimal places. It has four different effects and is very suitable for mall websites. For more information, see
1. Clear the decimal point:
The Code is as follows:
Function returnFloat0 (value ){Value = Math.
Use JavaScript to take float type two digits after the decimal point, example 22.127456 to 22.13, how to do?
1. Discard the fractional part and keep the whole number of parts
parseint (5/2)
2. Take up the whole, there are decimal numbers on the
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
Here are some of the ways that JavaScript preserves two decimal places:roundedthe following processing results are rounded:
var num =2.446242342;
num = num.tofixed (2); Output is 2.45
Not roundedthe following processing results are not
Use Javascript to get the first two digits of the float decimal point. For example, 22.127456 is used to get 22.13. How can this problem be solved?
1. Discard the fractional part and retain the integer part.
ParseInt (5/2)
2. rounded up. If there is
Round methodThe powerful rounded conversion function, as follows:
The code is as follows
Copy Code
Function round (v,e) {var t=1;for (; e>0;t*=10,e--);for (; eReturn Math.Round (v*t)/t;}
In the parameters:
V
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