round off to 1 decimal js code example
Example 1: math.round js 1 decimal
var number = 12.3456789;
var rounded = Math.round( number * 10 ) / 10;
Example 2: round to nearest decimal javascript
function round(value, precision) {
var multiplier = Math.pow(10, precision || 0);
return Math.round(value * multiplier) / multiplier;
}
Example 3: round to nearest decimal javascript
round(12345.6789, 2)
round(12345.6789, 1)
Example 4: javascript round to 2 decimal
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);
round(1.005, "1");
round("1.23", 1);
round("1.436", "2");
Example 5: js round up decimal
Math.round(3.14159)
Math.round(3.5)
Math.floor(3.8)
Math.ceil(3.2)