Answers for "js rounding numbers"

9

how to displayan inteiger to a tenth in javascript

Math.round(3.14159 * 100) / 100  // 3.14

3.14159.toFixed(2);              // 3.14 returns a string
parseFloat(3.14159.toFixed(2));  // 3.14 returns a number

Math.round(3.14159)  // 3
Math.round(3.5)      // 4
Math.floor(3.8)      // 3
Math.ceil(3.2)       // 4
Posted by: Guest on February-24-2020
40

js rounding

//There are meny ways of rounding...
Math.floor(5.5) //Answer 5, it alwas rounds down.
Math.round(5.5) //Answer 6, it simpily rounds to the closest whole number.
Math.ceil(5.5) //Answer 6, it alwas rounds up.

//You can do more things too...
Math.floor(5.57 * 10) / 10 //Answer 5.5, the number turns into 55.7, Then gets floored (55.0), Then gets divied, (5.5).
Posted by: Guest on June-21-2020
0

how to round numbers in javscript

//You can do this instead of using math.round! It is easier to understand using this function!

var x = 5.0364342423;
console.log(x.toFixed(2));
//result should be 5.04
Posted by: Guest on April-03-2021

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