javaScript從數組裡隨機抽取10個值

標籤：ons   抽取   rip   random   gpo   shuffle   dex   --   return   

function getRandomArrayElements(arr, count) {    var shuffled = arr.slice(0), i = arr.length, min = i - count, temp, index;    while (i-- > min) {        index = Math.floor((i + 1) * Math.random());        temp = shuffled[index];        shuffled[index] = shuffled[i];        shuffled[i] = temp;    }    return shuffled.slice(min);}var items = [‘1‘,‘2‘,‘4‘,‘5‘,‘6‘,‘7‘,‘8‘,‘9‘,‘10‘,"11","12","13","14","15"];console.log( getRandomArrayElements(items, 10) );

 

javaScript從數組裡隨機抽取10個值