function getRadomFromArr(arr){ return arr[Math.floor(Math.random()*arr.length)]; } var i = 0 while (i<0) { console.log(getRadomFromArr(['前端','后端','运营'])) i++; }
function getRadomFromArr(arr){ return arr[Math.floor(Math.random()*arr.length)]; } var i = 0 while (i<0) { console.log(getRadomFromArr(['前端','后端','运营'])) i++; }