js round 1 digit code example

Example 1: javascript round to 2 digits

var num = 2;
var roundedString = num.toFixed(2);// 2.00

Example 2: js round up decimal

Math.round(3.14159)  // 3
Math.round(3.5)      // 4
Math.floor(3.8)      // 3
Math.ceil(3.2)       // 4