//JSRUN引擎2.0,支持多达30种语言在线运行,全仿真在线交互输入输出。
let shuffle = function(arr){
let result = [],
random = 0while(arr.length){
random = Math.floor(Math.random()*arr.length)
result.push(arr[random])
arr.splice(random,1)
}
return result
}
console.log(shuffle([1,2,3,4,5,6,7,8]))