js math round to 2 decimal places

Math is a built-in js object and does not need to be created, so it does not need to be instantiated. It only has static attributes and static method Math object attributes: 1. E attribute is approximately 2.718. 2. The LN2 attribute returns the

JS retains two decimal places JS retains two decimal places   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

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

JavaScript Math and Number objects, javascriptmath 1. Math object 1.1 Introduction A Math object is a mathematical object that provides mathematical calculations for data, such as getting absolute values and getting rounded up. No constructor and

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

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

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

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

Attributes of the Math objectE: Value e, bottom of the natural logarithmLN10: the natural logarithm of 10LN2: natural logarithm of 2LOG2E: Base-2 logarithm of ELOG10E: Base-10 logarithm of EPI: Value DeliverySQRT1_2: the square root of 1/2SQRT2: