function PriorityQueue () {
this.collection = [];
this.printCollection = function() {
console.log(this.collection);
};
// Only change code below this line
this.enqueue = function() {
if (this.isEmpty()){
this.collection.push(arguments[0]);
} else {
var added = false;
for (var i=0; i<this.collection.length; i++){
if (arguments[0][1] < this.collection[i][1]){ //checking priorities
this.collection.splice(i,0,arguments[0]);
added = true;
break;
}
}
if (!added){
this.collection.push(arguments[0]);
}
}
}
this.dequeue = function() {
var ans = this.collection.shift()
return ans[0];
}
this.front = function() {
return this.collection[0];
}
this.size = function() {
return this.collection.length;
}
this.isEmpty = function() {
return this.collection.length > 0 ? false : true;
}
// Only change code above this line
}