Learn WIX-CORVID with Real Code Examples

// backend/hello.jsw
export function sayHello(name) {
    return `Hello, ${name}! Welcome to my Wix site.`;
}

// Example frontend usage:
import { sayHello } from 'backend/hello.jsw';

$w.onReady(function () {
    sayHello('Alice').then((msg) => {
        console.log(msg);
    });
});

A backend function in Wix Corvid that returns a greeting message as an HTTP endpoint.

// backend/getItems.jsw
import wixData from 'wix-data';

export function fetchAllItems() {
    return wixData.query('MyCollection').find();
}

$w.onReady(function () {
    fetchAllItems().then((results) => {
        console.log(results.items);
    });
});

Fetches all items from a dataset and logs them.

// backend/addItem.jsw
import wixData from 'wix-data';

export function addNewItem(title) {
    return wixData.insert('MyCollection', { title });
}

$w.onReady(function () {
    addNewItem('Test Item').then((item) => console.log(item));
});

Adds a new item to a Wix collection.

// backend/updateItem.jsw
import wixData from 'wix-data';

export function updateItem(id, newTitle) {
    return wixData.update('MyCollection', { _id: id, title: newTitle });
}

$w.onReady(function () {
    updateItem('abc123', 'Updated Title').then(console.log);
});

Updates an existing item in a collection by ID.

// backend/deleteItem.jsw
import wixData from 'wix-data';

export function deleteItem(id) {
    return wixData.remove('MyCollection', id);
}

$w.onReady(function () {
    deleteItem('abc123').then(() => console.log('Deleted'));
});

Deletes an item from a collection by ID.

// backend/sendEmail.jsw
import wixCRM from 'wix-crm-backend';

export function sendWelcomeEmail(email) {
    return wixCRM.emailContact('WelcomeTemplate', email);
}

$w.onReady(function () {
    sendWelcomeEmail('test@example.com').then(() => console.log('Email sent'));
});

Sends an email using Wix Email API.

// backend/httpHello.jsw
import { ok, notFound } from 'wix-http-functions';

export function get_hello(request) {
    return ok({
        body: 'Hello from Wix HTTP Function'
    });
}

Exposes a backend function as an HTTP endpoint in Wix.

// backend/fetchData.jsw
import wixData from 'wix-data';

export function getItemsAsync() {
    return new Promise((resolve, reject) => {
        wixData.query('MyCollection').find()
        .then(res => resolve(res.items))
        .catch(err => reject(err));
    });
}

$w.onReady(function () {
    getItemsAsync().then(console.log);
});

Uses a Promise to fetch data from a collection asynchronously.

// backend/customObject.jsw
export function getCustomData() {
    return { message: 'Hello from Wix backend', time: new Date() };
}

$w.onReady(function () {
    import { getCustomData } from 'backend/customObject.jsw';
    console.log(getCustomData());
});

Creates and returns a custom object to frontend.

// backend/validate.jsw
import wixData from 'wix-data';

export function validateAndSave(item) {
    if(!item.title) throw new Error('Title is required');
    return wixData.insert('MyCollection', item);
}

$w.onReady(function () {
    validateAndSave({ title: 'Test' }).then(console.log).catch(console.error);
});

Validates input data in the backend before saving to collection.