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dynamic array in javascript

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Aayush answered on October 10, 2020 Popularity 10/10 Helpfulness 2/10

answer dynamic array in javascript

related javascript dynamic arrays

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dynamic array in javascript

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class DynamicArray{
    constructor(){
        this.length=0;
        this.data={}
    }

    get(index){
        return this.data[index];
    }

    push(element){
        this.data[this.length]= element;
        this.length++;

        return this.length;
    }

    pop(){
        if(this.length == 0)
            return undefined;
        
        const popElement = this.data[this.length-1];
        delete this.data[this.length-1];
        this.length--;

        return popElement;
    }

    insert(element, index){
        if(index> this.length-1 || index<0)
            return undefined;
        
        this.length++;
        for(let i= this.length-1; i>index; i--){
            this.data[i] = this.data[i-1];
        }
        this.data[index] = element;
        return this.data;
    }

    remove(index){
        if(this.length == 0)
            return undefined;
        
        if(index > this.length-1 || index < 0)
            return undefined;
        
        const removedItem = this.data[index];
        for(let i=index; i < this.length; i++){
            this.data[i]=this.data[i+1];
        }
        delete this.data[this.length-1];
        this.length--;

        return removedItem;
    }
}



const array = new DynamicArray();
array.push('Aayush');
array.push('Parth');
array.push('Abhishek');
array.push('Thalesh');
array.push('chiku');

console.log(array);
array.insert('Zoya',2);
console.log(array);

Popularity 10/10 Helpfulness 2/10 Language javascript

Source: learnersbucket.com

Tags: dynamic javascript

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Contributed on Mar 20 2022

Aayush

0 Answers Avg Quality 2/10

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javascript dynamic arrays

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var input = []; // initialise an empty array
var temp = '';
do {
    temp = prompt("Enter a number. Press cancel or leave empty to finish.");
    if (temp === "" || temp === null) {
        break;
    } else {
        input.push(temp);  // the array will dynamically grow
    }
} while (1);

Popularity 10/10 Helpfulness 4/10 Language javascript

Source: stackoverflow.com

Tags: dynamic-arrays dyna

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Contributed on Oct 10 2020

Quaint Quagga

0 Answers Avg Quality 2/10

dynamic array

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/*
=>Created in heap using pointers
*/

//Sum of given numbers to demonstrate dynamic array
#include <iostream>
using namespace std;

int main() {
    int limit=0, sum=0;
    cout << "How many numbers you want to insert ? " << endl;
    cin >> limit;
    
    int *p; // declared a pointer
    p = new int[limit]; // pointed to an unnamed array into heap memory
    
    for(int i=0; i<limit; i++){
        cout << "Enter Value Number " << (i+1) << " : ";
        cin >> p[i];
        sum += p[i];
    }
    cout << "Sum of " << limit << " elements are: " << sum;
    
    delete []p; // deleting the heap memory after using
    p = NULL;// assining null insted of auto garbage value
    
    return 0;
}

Popularity 9/10 Helpfulness 1/10 Language cpp

Source: Grepper

Tags: c++

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Contributed on Feb 07 2023

isuro

0 Answers Avg Quality 2/10

dynamic array in javascript

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