分段数据

var arr = [0,1,2,3,6,7,8,9,12,13,14,15,16,17,22,24],tmp = {start:'',end:''},result = [];
for(var i = 0;i < arr.length;i++){
var curr = arr[i],prev = arr[i - 1];
if(curr - prev == 1){
tmp.end = curr;
}else{
tmp = {start: curr,end:curr}
result.push(tmp);
}
}

console.log(result);