integer javascript code example

Example 1: Javascript string to int

var myInt = parseInt("10.256"); //10
var myFloat = parseFloat("10.256"); //10.256

Example 2: get the whole value of a number javascript

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

Example 3: javascript number length

var num = 1234
number.toString().length; // 4

Example 4: string to number javascript

new Number(valeur);
var a = new Number('123'); // a === 123 donnera false
var b = Number('123'); // b === 123 donnera true
a instanceof Number; // donnera true
b instanceof Number; // donnera false

Example 5: js int

var myInt = 69420

1+1//int
1+"1"//string