math.round js 1 decimal
var number = 12.3456789;
var rounded = Math.round( number * 10 ) / 10;
// rounded is 12.3
math.round js 1 decimal
var number = 12.3456789;
var rounded = Math.round( number * 10 ) / 10;
// rounded is 12.3
js number with four decimal places
var myNumber = 2;
myNumber.toFixed(2); //returns "2.00"
myNumber.toFixed(1); //returns "2.0"
js round up decimal
Math.round(3.14159) // 3
Math.round(3.5) // 4
Math.floor(3.8) // 3
Math.ceil(3.2) // 4
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