class MyArraay {
constructor() {
this.data = {};
this.length = 0;
}
get(index) {
if (this.length === 0) return [];
return this.data[index];
}
push(item){
this.data[this.length] = item;
this.length++;
return this.length;
}
pop(){
let lastItem = this.data[this.length - 1];
delete this.data[this.length - 1];
this.length--;
return lastItem;
}
delete(index) {
let deletedItem = this.data[index];
this.shiftItem(index);
return deletedItem;
}
shiftItem(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 arr = new MyArray();
