get a random number between -1 and 1 in js code example

Example 1: javascript random number between 1 and 10

// Genereates a number between 0 to 1;
Math.random();

// to gerate a randome rounded number between 1 to 10;
var theRandomNumber = Math.floor(Math.random() * 10) + 1;

Example 2: javascript generate a random number between two numbers thats not 1

function randomInRange(min, max)
{
	return Math.floor(Math.random() * (max - min + 1) + min);
}