math.round js 1 decimal
var number = 12.3456789;
var rounded = Math.round( number * 10 ) / 10;
// rounded is 12.3math.round js 1 decimal
var number = 12.3456789;
var rounded = Math.round( number * 10 ) / 10;
// rounded is 12.3js 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).rounding off in javascript
var avg=10.55;
console.log(Math.round(avg)); //Prints 11javascript round to 2 decimal
var subTotal="12.1345";// can also be int, float, string
var subTotalFormatted=parseFloat(subTotal).toFixed(2); //"12.13"
//#2
function round(value, precision) {
var multiplier = Math.pow(10, precision || 0);
return Math.round(value * multiplier) / multiplier;
}
//#3
var number = 12.3456789;
var rounded = Math.round( number * 10 ) / 10;
// rounded is 12.3
//#4
var numb = 123.23454;
numb = numb.toFixed(2);
//#5
var num = 5.56789;
var n = num.toFixed(2);
//#6
var num = 2;
var roundedString = num.toFixed(2);// 2.00
//#7
let num = 12.5452411;
num = num.toFixed(3); // 12.545
//#8
function round(num, places) {
num = parseFloat(num);
places = (places ? parseInt(places, 10) : 0)
if (places > 0) {
let length = places;
places = "1";
for (let i = 0; i < length; i++) {
places += "0";
places = parseInt(places, 10);
}
} else {
places = 1;
}
return Math.round((num + Number.EPSILON) * (1 * places)) / (1 * places)
}
round(1.005, 2); // 1.01
round(1.005, "1"); // 1
round("1.23", 1); // 1.2
round("1.436", "2"); // 1.44
//#9
myNumber.toFixed(7);
//#10 PHP
round(12345.6789, 2) // 12345.68
round(12345.6789, 1) // 12345.7
//#11
Math.round((num + Number.EPSILON) * 100) / 100
//#12
Math.round(3.14159) // 3
Math.round(3.5) // 4
Math.floor(3.8) // 3
Math.ceil(3.2) // 4Copyright © 2021 Codeinu
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