ArrayImplementation

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class MyArray { constructor() { this.length = 0; this.data = {}; } get(index) { if (this.length === 0) { return; } else { return this.data[index]; } } push(item) { this.data[this.length] = item; this.length++; return this.length; } pop() { const lastItem = this.data[this.length - 1]; delete this.data[this.length - 1]; this.length--; } delete(index) { const item = this.data[index]; this.shiftItems(index); } shiftItems(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 newArray = new MyArray(); newArray.push('hi'); newArray.push('there'); newArray.delete(1); console.log(newArray);
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