Js代码
/* * 随即alert出数组的值 * a表示数组 */ function alert1(a) { var alength = a.length; if (alength > 1) { var r = random1(0,alength); alert(a[r]); a[r] = -1; var temp = Array(alength-1); var t = false; for(var i = 0; i<a.length; i++) { if ( i == r){ t = true; } else{ if (t == false){ temp[i] = a[i]; }else{ temp[i-1] = a[i]; } } } alert1(temp); } else { alert(a[0]); } }Js代码
/* * * 随即的到min（包含）和max（不包含）之间的值 */ function random1(min, max){ return Math.floor(min + ((Math.random() * 10) % (max - min))); }