Home > Article > Web Front-end > Introduction to five methods of JavaScript rounding
This article brings you an introduction to the five methods of rounding in JavaScript. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.
1. Math.floor() rounds down
Math.floor(3.141592654) // 3
2. Math.ceil() rounds up
Math.floor(3.141592654) // 4
3. Math.round() rounds
Math.round(3.141592654) // 3
4. parseInt() removes the decimal point and the part after the decimal point
parseInt(3.141592654) // 3
5. Convert the data into Number type
~~3.141592654 // 3
This article is all over here , for more other exciting content, you can pay attention to the JavaScript Video Tutorial column on the PHP Chinese website!
The above is the detailed content of Introduction to five methods of JavaScript rounding. For more information, please follow other related articles on the PHP Chinese website!