class MyArray{
constructor(){
this.length=0;
this.data={};
}
get(index){
return this.data[index];
}
push(data){
this.data[this.length]=data;
this.length++;
return this.data;
}
pop(){
const lastItem=this.data[this.length-1];
delete this.data[this.length-1];
this.length--;
return lastItem;
}
deleteAtIndex(index){
const item= this.data[index];
this.shiftArray(index);
return item;
}
shiftArray(index){
for(let i=index; i<this.length-1; i++){
this.data[i]=this.data[i+1];
}
delete this.data[this.length-1];
this.length--;
}
}
const myArray = new MyArray();
myArray.push('hi');
myArray.push('you');
myArray.push('!');
myArray.pop();
myArray.deleteAtIndex(0);
myArray.push('are');
myArray.push('nice');
myArray.shiftArray(0);
console.log(myArray);
