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38 lines (34 loc) · 883 Bytes
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queueBasic.js
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38 lines (34 loc) · 883 Bytes
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var queue = function(){
this.queueArray = [];
this.enqueue = function(num){
this.queueArray.push(num);
}
this.dequeue = function(){
if(this.queueArray.length==0){
return "Error: No elements left to dequeue";
}
return this.queueArray.shift();
}
this.front = function(){
if(this.queueArray.length==0){
return "Error: No elements present in Queue.";
}
return this.queueArray[0];
}
this.isEmpty = function(){
if(this.queueArray.length==0){
return true;
}
return false;
}
this.printQueue = function(){
console.log(this.queueArray);
}
}
var queueTest = new queue();
queueTest.queueArray = [4,5,3];
queueTest.enqueue(10);
queueTest.printQueue();
console.log("Dequeued: " + queueTest.dequeue());
console.log("Front of Queue: " + queueTest.front());
console.log("Is Queue Empty: " + queueTest.isEmpty());