FAQ Section: JavaScript Stunts

Frequently Asked Questions
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WebViewer Reference - MIT

Audio File (mp3) Duration with Javascript - @TimAI2

Create Buttons in WebViewer By Code - Juan Antonio

Dynamic Expression evaluation - Akshay

Dynamic Expression Evaluation via eval() - Kevinkun

How to fill out a form of a webpage and click a button using some JavaScript - Taifun

HOWTO: Create a PDF, offline, "within" AI2 using jsPDF and base64 extn by Juan Antonio

JavaScript Date Picker (Spanish) - Juan Antonio

LaTex Editor with VisorWeb and MathJax (Offline) - @Antho

ListViewer Selection in a WebViewer Table - Taifun

Multiple Input to Pythagorean Triangle Formula - Juan Antonio

OCR using JavaScript Tesseract - Jörg Hüneburg - Requires web server now

Python and Skulpt thru JavaScript - Taifun

Scrape a Web Page using a WebViewer and JavaScript - @Kevinkun

Scrape a Web Page using a WebViewer and JavaScript - @TimAI2

Sort a list using the WebViewer - Taifun

Sort List with accented characters

Sound Generator using JavaScript (Spanish) - Juan Antonio

Sound Generator Procedure using Javascript - @TimAI2

Cubic regression - Juan Antonio

How to sort using JavaScript and the webviewer by Joerg Kowalski

Updated Tutorial WebView Javascript Processor for App Inventor by Rich Interdonato - ABG

Dynamic table layout with any number of rows and columns including table listpicker - Taifun

How to test for the presence of the webViewString object? - @TIMAI2

Store html variable in tinydb for reuse with WebViewString - @TimAI2

Creating Games in App Inventor’s WebView: A Guide - @Passos_0213

[Tutorial] How to Capture Photos with App Inventor Camera and Display in WebView with Editing Tools - @Passos_0213 Feb 2026

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How can i insert a javascript in mit app inventor
Adding traditional codes to app inventor apps
JavaScript. Cubic regression
Javascript function does not reverses text
Is there an way to import json and have it automatically translate to blocks?
Converting of app inventor blocks to JavaScript (is USSD possible?)
Its possible works with a javascript library? i would like use phaserjs
Control spotify?
From wordpress to mitapp
Creating Games in App Inventor's WebView: A Guide
Is it possible to make a first person view in a game?
I need to simulate assigning a procedure to a variable in order to be able to call it through the variable
Get Audio File (mp3) Duration with Javascript
Tone generator with JavaScript. Frequencymeter with Arduino
How to add and incorporate external physical code to MIT App Inventor
WebViewer feels like cheating
App Inventor with Javascript Classes
Webview Problems
[Tutorial] How to Capture Photos with App Inventor Camera and Display in WebView with Editing Tools
What does this block do?
Reading in HTML code to MIT Appinventor App
set/getWebViewString not working?
Password protected website (popup)
Does appinventor have undo and redo when i made my projects?
Create a Solver on Ai2
Bitcoin Addresses with AI2
I create a listview and it has rows and columns
Layout App Grafic
Sorting of simple lists with JS
JavaScript to APP Inventor
How to use HSV rather than RGB to change colors in UI using blocks
Error 1101 in MIT App using esp32
Using CIELab color space
Importing processing files into MIT app inventor
Is there any way to enter math formulas without blocks?
Keeping BLE connected when switching/closing screen
Contador de picos en ondas de electromiografĂ­a
:white_circle: Store html variable in tinydb for reuse with WebViewString
Convert text box content to function
Show MusicXML file in app inventor
Error code Out of Memory
Data from html web page in label of AI2
Trying to get information from JS from webviewer
Help Me I Need To Know How To Use JavaScript
How to test for the presence of the webViewString object?
Program will not compile, DX execution failed
Run time error "Stack size 8188kb" during big list slice
How do you enable javascript on mit app inventor?
LaTex Editor with VisorWeb and MathJax (Offline)
Solve nonlinear least square problem with MIT app inventor
Adding traditional codes to app inventor apps
How do you display text in a webviewer using webviewer.string?