// 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;//To genereate a number between 0-1
Math.random();
//To generate a number that is a whole number rounded down
Math.floor(Math.random())
/*To generate a number that is a whole number rounded down between
1 and 10 */
Math.floor(Math.random() * 10) + 1 //the + 1 makes it so its not 0.Math.random()
// will return a number between 0 and 1, you can then time it up to get larger numbers.
//When using bigger numbers remember to use Math.floor if you want it to be a integer
Math.floor(Math.random() * 10) // Will return a integer between 0 and 9
Math.floor(Math.random() * 11) // Will return a integer between 0 and 10
// You can make functions aswell
function randomNum(min, max) {
return Math.floor(Math.random() * (max - min)) + min; // You can remove the Math.floor if you don't want it to be an integer
}function getRandomNumberBetween(min,max){
return Math.floor(Math.random()*(max-min+1)+min);
}
//usage example: getRandomNumberBetween(20,400);
/*
`Math.random` returns a pseudo-random number between 0 and 1.
a pseudo-random number is generated by an algorithm, it is not
technically actually random, but for all intents and purposes
it is random enough that no human should be able to find a
pattern
*/
Math.random(); // -> Decimal number between 0 and 1
Math.round(Math.random()); // -> 0 or 1
Math.random() * max; // -> Decimal number between 0 and max
Math.floor(Math.random() * max); // -> Whole number between 0 and max - 1
Math.round(Math.random() * max); // -> Whole number between 0 and max
Math.ceil(Math.random() * max); // -> Whole number between 1 and max
(Math.random() * (max - min)) + min; // Decimal number between min and max
Math.floor((Math.random() * (max - min)) + min); // Whole number between min and max - 1
Math.round((Math.random() * (max - min)) + min); // Whole number between min and max
Math.ceil((Math.random() * (max - min)) + min); // Whole number between min + 1 and maxfunction random(min, max) {
return ~~(Math.random() * (max - min + 1) + min);
}
random(1, 5);