Shulou(Shulou.com)06/02 Report--

This article mainly explains "how to remove the decimal part of javascript". Interested friends may wish to have a look at it. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn "javascript how to remove the decimal part"!

Get rid of the method: 1, use parseInt (), syntax "parseInt"; 2, use ceil (), syntax "Math.ceil"; 3, use floor (), syntax "Math.floor"; 4, use round (), syntax "Math.round".

The operating environment of this tutorial: windows7 system, javascript1.8.5 version, Dell G3 computer.

The method of removing the decimal part in javascript

1. Use the parseInt () function to round off

/ / discard the decimal part and keep the integer part parseInt (3.141592654) / / 3

2. Use the ceil () function to round up

/ / rounding up. Add 1Math.ceil (3.141592654) / / 4 to the whole number if there is a decimal.

3. Use the floor () function to round down

/ / rounding down, discarding the decimal part Math.floor (3.141592654) / / 3

4. Use the round () function to round off

/ / rounding Math.round (3.141592654) / / 3 so far, I believe you have a better understanding of "how to remove the fractional part of javascript". You might as well do it in practice. Here is the website, more related content can enter the relevant channels to inquire, follow us, continue to learn!

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.