<script> function GetRandomNum(Min,Max){ var Range = Max - Min; var Rand = Math.random(); return(Min + Math.round(Rand * Range)); } var num = GetRandomNum(1,10); alert(num); </script> var chars = ['0','1','2','3','4','5','6','7
function Alex() { //给予video.js的页面滚动到视频元素范围内自动播放/出范围暂停播放-----01 this.video_autoplay = function (box) { var video_box = box.getElementsByTagName('video')[0]; //能否自动播放 var canAuto = true; //元素距离顶部高度//上滚此距离元素完全出现 var top = box.offsetTop; //元素高度 var heigh