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()
console.log()
