Arrays
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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++;
}
pop(){
const lastItem = this.data[this.length-1];
delete this.data[this.length-1];
this.length--;
return lastItem;
}
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('You');
newArray.push('!');
newArray.push('great');
newArray.push('person');
newArray.delete(2);
console.log(newArray);
JavaScript
INFO