Implementing an Array
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class MyArray {
constructor() {
this.length = 0;
this.data = {};
}
get(index) {
return this.data[index];
}
push(item) {
this.data[this.length] = item;
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.shiftItems(index);
return item;
}
shiftItems(index) {
for (let i = index; i < this.length - 1; i++) {
this.data[i] = this.data[i + 1];
}
console.log(this.data[this.length - 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.shiftItems(0);
console.log(myArray);
JavaScript
INFO