javascript integer or decimal code example

Example 1: javascript two character integer

var myNumber = 7;
var formattedNumber = ("0" + myNumber).slice(-2);
console.log(formattedNumber);

Example 2: get the whole value of a number javascript

var value = 2.9802453587962963;
var wholeNum = Math.floor(value);
console.log(wholeNum);  // output ==> 2