javascript return whole number code example
Example 1: how to displayan inteiger to a tenth in 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
Math.round(3.14159) // 3
Math.round(3.5) // 4
Math.floor(3.8) // 3
Math.ceil(3.2) // 4
Example 2: rounding off in javascript
var avg=10.55;
console.log(Math.round(avg)); //Prints 11
Example 3: round down the number javascript
+3.5 => +3.0
-3.5 => -4.0
+3.5 => +3.0 using Math.floor()
-3.5 => -3.0 using Math.ceil()