js自持队列——FIFO

js自制队列——FIFO

//js's queue by yjfunction js_queue(){this.head = 0;this.arr = new Array();}js_queue.prototype.put = function(obj){this.arr[this.arr.length] = obj;}js_queue.prototype.get = function(){if(this.head == this.arr.length) return null;var return_string = this.arr[this.head];this.head += 1;return return_string;}var q = new js_queue();q.put('s1');q.put('s2');q.put('s3');alert(q.get());alert(q.get());alert(q.get());alert(q.get());