js math random between code example

Example 1: javascript get random number in range

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

//usage example: getRandomNumberBetween(20,400);

Example 2: generate random numbers in js

Math.floor((Math.random() * 100) + 1);
//Generate random numbers between 1 and 100
//Math.random generates [0,1)

Example 3: javascript random number between

Math.floor(Math.random() * 6) + 1

Example 4: javascript random number between 0 and 10

Math.floor(Math.random() * 10);