javaScript中的随机数方法

console.log(Math.random());
console.log(Math.random());

function getRandomFloat(min,max) {
    return Math.random()*(max - min) + min;
}
console.log(getRandomFloat(5,10));

function getRandomInt(min,max) {
    return Math.floor(Math.random()*(max - min) + min);
}
console.log(getRandomInt(5,10));

function getRandomInRange(min,max) {
    return Math.floor(Math.random()*(max - min + 1)) + min;
}
console.log(getRandomInRange(1,3));

function coinToss() {
    return Math.floor(Math.random() * 2);
}
console.log(coinToss());

function coinToss_t() {
    return Math.floor(Math.random() * 2) === 0;
}
console.log(coinToss_t());

var numPool = [5,9,75,54,32,14,25,6];
rand = numPool[Math.floor(Math.random() * numPool.length)];
console.log(rand);


var numPools = [65,32,41,2,7,6,85,32,12,17,26,24];
function shuffle(numPools) {
    for (var j,x,i = numPools.length;i;j = parseInt(Math.random() * i),x = numPools[--i],numPools[i] = numPools[j],numPools[j] = x) {
        return numPools;
    }
}
var randomResult = shuffle(numPools);
while (randomResult.length > 0) {
    console.log(randomResult.pop());
}

var cryptoStor = new Uint16Array(8);
var Cryptography = window.crypto.getRandomValues(cryptoStor);
console.log(Cryptography);