1 <!DOCTYPE html> 2 3 4 5 Round a Number Up in JavaScript 6 7 8 9 document.write(Math.ceil(3.5)+"");// Prints: 4 10 document.write(Math.ceil(-5.7)+"");// Prints: -5 11 document.write(Math.ceil(9.99)+"");// Prints: 10 12 document.write(Math.ceil(-9.99)+""...
5 Round a Number Down in JavaScript 6 7 8 9 document.write(Math.floor(3.5)+"");// Prints: 3 10 document.write(Math.floor(-5.7)+"");// Prints: -6 11 document.write(Math.floor(9.99)+"");// Prints: 9 12 document.write(Math.floor(-9.99)+"");// Prints: ...
All possible ways to round off a number in JavaScript Conclusion What do you understand with the question that “Round a number to x decimal places?” The answer is just round off the given decimal number to x decimal places. for example, round the 5.678 to 2 decimal places. the result ...
The round() function inJavaScript is a math function. This function is used to round off the number to the nearest integer. The concept of rounding off the number is if the fractional part of the number is greater than or equal to 0.5, then the number will be rounded off to the next ...
So, with the 4.98, it was round down to 4, and the number 17 was left as it is. Summary To round down numbers in JavaScript, we can make use of two static Math method - floor and trunc - which work in different ways but achieve the set goal. References Math.round() - JavaScript...
In this tutorial, we are going to learn about How to round a number to 3 decimal places in JavaScript using method. Consider we have a…
Create Round Prototype to Round to Two Decimal Places in JavaScript In this post, we will see how to round to 2 decimal places in javascript. Using Math.Round() to Round to 2 Decimal Places in JavaScript You can use Math.round() function to round number to 2 decimal places in javascript...
function round(num) { var m = Number((Math.abs(num) * 100).toPrecision(15)); return Math.round(m) / 100 * Math.sign(num); } console.log(round(1.005)); Output:1.01 Using the Custom Function to Round a Number To 2 Decimal Places in JavaScript...
代码语言:javascript 代码运行次数:0 运行 AI代码解释 from decimalimportDecimal,ROUND_HALF_UPdefsmart_round(x,n):returnstr(Decimal(x).quantize(Decimal("0."+"0"*n),rounding=ROUND_HALF_UP)) 这个函数能够很好地解决四舍五入和末尾为0的这两个问题。
result as a string, formatted to 2 decimal places. This is different than using JavaScript'sNumber.toFixed()method, which sometimes rounds up and sometimes rounds down (?), orMath.round(), which does things you might not expect, including returning your result in scientific notation, because...