return的作用???
haloObj.prototype.born?=?function?(x,?y)?{
????for?(var?i?=?0;?i?<?this.num;?i++)?{
????????if?(!this.alive[i])?{
????????????//console.log("born");
????????????this.alive[i]?=?true;
????????????this.r[i]?=?10;
????????????this.x[i]?=?x;
????????????this.y[i]?=?y;?
????????????return;
????????}
????}
}
2017-04-18
執(zhí)行完上面的代碼返回出去,相當(dāng)于強(qiáng)制關(guān)掉這次循環(huán)