function shuffle(array) {
var currentIndex = array.length, temporaryValue, randomIndex;
// While there remain elements to shuffle...
while (0 !== currentIndex) {
// Pick a remaining element...
randomIndex = Math.floor(Math.random() * currentIndex);
currentIndex -= 1;
// And swap it with the current element.
temporaryValue = array[currentIndex];
array[currentIndex] = array[randomIndex];
array[randomIndex] = temporaryValue;
}
return array;
}
var arr = [1,2,3,3,4,6,8,0,10];
arr = shuffle(arr);
console.log(arr);
HTPP2 是二进制的协议(binary) , HTTP1.1 是文本协议, 二进制协议传输过程中数据包会更小,解析不会出错。