var arr = []; for (var i = 1; i <= 27; i++) { arr.push("成员"+i); }arr.sort(function(){ return Math.random()-0.5; }); var ra = []; var num = 5; var len = arr.length - Math.ceil(num/2)+1; for (var i = 0; i < len; i+=num) { ra.push(arr.slice(i, i+num<len?i+num:arr.length)); } alert(JSON.stringify(ra,null,4));
var arr = [];
for (var i = 1; i <= 27; i++) {
arr.push("成员"+i);
}arr.sort(function(){
return Math.random()-0.5;
});
var ra = [];
var num = 5;
var len = arr.length - Math.ceil(num/2)+1;
for (var i = 0; i < len; i+=num) {
ra.push(arr.slice(i, i+num<len?i+num:arr.length));
}
alert(JSON.stringify(ra,null,4));