Image Gallery App - Backendless Typing CST Test
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Image Gallery App — Backendless Code
Uploads and displays image URLs using Backendless File Service.
// Initialize Backendless
Backendless.initApp("YOUR-APP-ID", "YOUR-API-KEY");
async function uploadImage(file) {
await Backendless.Files.upload(file, 'images/');
loadGallery();
}
async function loadGallery() {
const files = await Backendless.Files.listing('images/');
const gallery = document.getElementById("gallery");
gallery.innerHTML = "";
files.forEach(f => {
const img = document.createElement("img");
img.src = f.publicUrl;
gallery.appendChild(img);
});
}Backendless Language Guide
Backendless is a no-code and low-code backend platform that provides ready-to-use server-side infrastructure for mobile, web, and desktop applications, including database management, APIs, authentication, messaging, and hosting.
Primary Use Cases
- ▸Backend for mobile and web apps
- ▸Real-time chat and collaboration apps
- ▸User authentication and authorization
- ▸Push notifications and messaging
- ▸Serverless cloud logic for custom workflows
Notable Features
- ▸Visual database and schema management
- ▸API generation and REST/GraphQL endpoints
- ▸User authentication and role-based access
- ▸Push notifications and messaging services
- ▸Serverless cloud code (logic) execution
Origin & Creator
Backendless was founded by Mark Piller and the Backendless team to provide a full-featured backend-as-a-service (BaaS) platform that simplifies app development and accelerates deployment.
Industrial Note
Best suited for developers, no-code creators, and teams needing scalable backend services including real-time data, APIs, push notifications, and serverless logic without managing infrastructure.