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Multi-Language Code Studio

Edit project files, preview browser-based projects, and export separate files or a combined HTML document.

EditorTab inserts spaces · Ctrl/Cmd+Enter runs
Result / Output
HTML, CSS, and JavaScript preview inside an isolated iframe. Other runtimes require appropriate external tooling.
How to write, run, preview, and export code — step-by-step instructions (500+ words)

Getting started with the EasyTutorGuide Code Studio

This application lets you experiment with several programming languages in a single browser interface. Start by choosing a project type from the Project menu. The file tabs below the toolbar change to match that project. Select a tab to edit its source. Your edits are kept in the current browser session while you switch between tabs and project types. Save a ZIP regularly, especially before closing the page or refreshing the browser, because the editor is not a permanent cloud storage service.

1. Write and edit your code

For a standard web project, select HTML + CSS + JavaScript. Open the index.html tab to write the page structure, style.css to adjust the design, and script.js to add interactions. Each file has its own tab; you do not need to paste all three languages into the same text box. The editor accepts pasted code. The Tab key inserts indentation, and the editor keeps code direction left-to-right even when the surrounding interface is switched to right-to-left. The interface is intentionally lightweight rather than a full desktop development environment, so advanced IDE functions such as debugging breakpoints, package management, and automatic dependency installation are not included.

2. Run HTML, CSS, and JavaScript

Click Run / Preview, or press Control+Enter on Windows and Command+Enter on Mac. The app assembles the web project's files and displays the resulting page in the Result panel. Try editing a heading or changing a background color, then run again to see the difference. Use Show messages to inspect output and notices. The preview uses a sandboxed frame, which limits access to the surrounding page. It is still wise to avoid pasting untrusted scripts or confidential information. Browser security restrictions may prevent certain operations, including access to local files, third-party websites, or permissions.

3. Work with React and Vue

Select React or Vue from the project menu to load an example. These projects use JavaScript libraries hosted on third-party content delivery networks, so an internet connection is required. Click Run / Preview and wait for the dependencies to load. If a library is blocked, the preview may be blank or show an error. Review your browser's developer console for additional details. These previews are intended for simple learning examples and do not replace a complete React or Vue production build process.

4. Understand PHP, Java, C, C++, C#, and Angular

These languages cannot be reliably executed by this standalone static HTML page. You can write, review, and export source files, but the Run button does not secretly compile them on a remote server. PHP needs a PHP-enabled server. Java needs a Java Development Kit. C and C++ need a compiler such as GCC or Clang. C# needs a compatible .NET environment. Angular normally requires Node.js, its dependencies, and an Angular build toolchain. Export the project and open it in a development environment with the appropriate runtime installed. Do not interpret a message saying that a runtime is unavailable as a successful program execution.

5. Export your project

Choose Export project ZIP to download the project's files together. Extract that ZIP on your computer to preserve the individual filenames and project structure. Choose Export single file when a single-file version is supported. For a basic web project, the app can combine HTML, CSS, and JavaScript into one HTML document. Other project types may export a primary source file rather than a fully runnable, self-contained application. Check the resulting file before uploading it to a public website. Never include passwords, private API keys, or server credentials in exported frontend code.

6. Use the mobile menu, translation, and accessibility options

On a phone, tap Menu to reveal the navigation links and tap it again to close them. Use the translation selector to translate interface text when Google's service is available. Choose RTL for a right-to-left interface or LTR to return to the default layout. Code itself stays left-to-right to avoid damaging programming syntax. Dark mode can improve comfort during long editing sessions. If the page appears too narrow on a mobile device, rotate your screen or scroll within the code editor rather than scrolling the whole website sideways.

7. Troubleshooting and safety

If a preview does not update, first select the correct project type, check the active file, and press Run again. Review syntax carefully: a missing bracket, quote, or closing tag can stop an example from working. If a framework example fails, verify internet connectivity and browser console errors. If downloading is blocked, allow downloads for this page. For serious development, use a local editor, version control, automated tests, and the language's official runtime. This free educational tool is provided for practice and experimentation; it does not guarantee that generated or pasted code is secure, correct, or ready for production.

Disclaimer: Code is edited in your browser. The preview is sandboxed, but never paste secrets or execute untrusted code. PHP, Java, C, C++, C#, and Angular are not compiled or executed by this static page. React and Vue previews load libraries from external CDNs and require internet access. Browser preview does not replace a secure server-side execution environment.

Share:
\n','style.css':'body { font-family: system-ui; padding: 2rem; background: #f3f7ff; color: #153f7b; }\nbutton { padding: 12px; }','script.js':'document.querySelector("#hello").addEventListener("click", () => alert("Your JavaScript works!"));'},react:{'index.html':'React demo
','App.jsx':'function App(){ const [count,setCount]=React.useState(0); return

React demo

}\nReactDOM.createRoot(document.getElementById("root")).render();','style.css':'body{background:#f4f8ff}'},vue:{'index.html':'Vue demo

{{ title }}

','app.js':'const {createApp}=Vue;createApp({data(){return {title:"Vue demo",count:0}}}).mount("#app");','style.css':'body{font-family:system-ui;padding:2rem;background:#f4f8ff}'},angular:{'src/app/app.component.ts':'import { Component } from "@angular/core";\n@Component({selector:"app-root",standalone:true,template:`

Angular demo

Build with Angular CLI.

`})\nexport class AppComponent {}','src/main.ts':'import { bootstrapApplication } from "@angular/platform-browser";\nimport { AppComponent } from "./app/app.component";\nbootstrapApplication(AppComponent).catch(console.error);','package.json':'{"scripts":{"start":"ng serve"},"dependencies":{"@angular/core":"latest","@angular/common":"latest","@angular/compiler":"latest","@angular/platform-browser":"latest","rxjs":"latest","zone.js":"latest"},"devDependencies":{"@angular/cli":"latest","@angular/compiler-cli":"latest","typescript":"latest"}}','angular.json':'{"version":1,"projects":{}}'},php:{'index.php':''},java:{'Main.java':'public class Main {\n public static void main(String[] args) {\n System.out.println("Hello EasyTutorGuide!");\n }\n}'},c:{'main.c':'#include \nint main(void) {\n puts("Hello EasyTutorGuide!");\n return 0;\n}'},cpp:{'main.cpp':'#include \nint main() {\n std::cout << "Hello EasyTutorGuide!\\n";\n return 0;\n}'},csharp:{'Program.cs':'using System;\nclass Program {\n static void Main() {\n Console.WriteLine("Hello EasyTutorGuide!");\n }\n}'}};let stores=Object.fromEntries(Object.entries(templates).map(([k,v])=>[k,{...v}])),mode='web',active='index.html',consoleShown=false;const encoder=new TextEncoder();function save(){stores[mode][active]=$('editor').value}function selectFile(name){if(active&&stores[mode])save();active=name;$('editor').value=stores[mode][active];$('filename').textContent=name;renderTabs()}function renderTabs(){$('tabs').replaceChildren();for(const name of Object.keys(stores[mode])){const b=document.createElement('button');b.textContent=name;b.setAttribute('role','tab');b.setAttribute('aria-selected',String(name===active));b.onclick=()=>selectFile(name);$('tabs').append(b)}}$('project').onchange=()=>{save();mode=$('project').value;active=Object.keys(stores[mode])[0];$('editor').value=stores[mode][active];$('filename').textContent=active;renderTabs();$('capability').textContent=['web','react','vue'].includes(mode)?'Browser preview available. React and Vue require CDN access; projects exported for local development.':'This language needs a compiler, server, or build tool. Run is intentionally disabled here; export the project and run it in the appropriate development environment.';$('preview').hidden=true;$('console').hidden=false;$('console').textContent='Select Run / Preview to see runtime instructions.'};$('editor').addEventListener('keydown',e=>{if(e.key==='Tab'){e.preventDefault();const t=e.target,a=t.selectionStart,b=t.selectionEnd;t.setRangeText(' ',a,b,'end')}if(e.key==='Enter'&&(e.metaKey||e.ctrlKey)){e.preventDefault();run()}});function escScript(s){return s.replace(new RegExp('<'+'/script','gi'),'<\\/script')}function escStyle(s){return s.replace(new RegExp('<'+'/style','gi'),'<\\/style')}function inject(html,extra){let at=html.search(/<\/body\s*>/i);return at<0?html+extra:html.slice(0,at)+extra+html.slice(at)}function makeWeb(){const f=stores.web;return inject(f['index.html'],''+escScript(f['script.js'])+'')}function makeVue(){const f=stores.vue;return inject(f['index.html'],'