The random() method returns a random number from 0 (inclusive) up to but not including 1 (exclusive).

The random() method returns a random number from 0 (inclusive) up to but not including 1 (exclusive).

Math.random()

None

A Number, representing a number from 0 up to but not including 1

Return a random number between 1 and 10:

//display a random number between 1 and 10. var x =Math.floor((Math.random() * 10) + 1); console.log(x);//from ww w . j a v a 2 s . co m //Return a random number between 0 (inclusive) and 1 (exclusive): console.log(Math.random()); //Return a random number between 1 and 100: console.log(Math.floor((Math.random() * 100) + 1));