how to round off a number in javascript code example

Example 1: rounding off in javascript

var avg=10.55;
console.log(Math.round(avg)); //Prints 11

Example 2: rounding off numbers 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

Example 3: math.round in javascript

let xo =7.45;
xo = Math.round(xo);
// output = 7;