How to fix the TypeError ‘Cannot read property ‘download’ of undefined’ from browser.downloads.download using Puppeteer

I am using puppeteer to login into my account of a content provider I work with and download a lot of zips. I can easily get the array with all the links I need to download then I loop through the …

MetaMask does not inject window.ethereum: Uncaught (in promise) TypeError: Cannot read property ‘request’ of undefined

To start, let me mention this is an in-browser project, so i can only use So a few months …

Browser Extension’s creating dynamic buttons with dynamic links

I’m trying to create a browser extension popup (in JS) that creates a number of buttons with links that open up different webpages. The function takes a number of parameters, the main one being b_link …

Does internet speed afect browser JavaScript?

I wanted to know if browser speed affects the execution time of JavaScript code. For example, if I have this code for (let i = 0; i <= 100; i++){ console.log(i) } Does it mean that someone with …

What is the difference between src, public, and build in folder structure?

I know what these files contain like build contains the minified file which is minified from src file. I need to know how browser works with it. I haven’t uploaded my build file to hosting service yet …

Are there any browser-native 360 spin viewers?

There are several plugins for viewing interactive 360-spin images of products, such as this: https://www.ajax-zoom.com/index.php?cid=home&tag=spin360 However, my question is whether there are any …

Lightweight web browser for testing

I have e very specific test setup in mind. I would like to start a web-browser that understands Javascript and can use HTTP proxy, point it to a URL (ideally by specifying it in the command line along with the proxy config), wait for the page to load while listening (in the proxy) requests are generated as web-page is rendered and Javascript is executed, then kill the whole thing and restart. I don’t care about how the page renders graphically at all. Which browser or tool should I use for this? Ideally it should be something self-contained that doesn’t require

what is the purpose of chrome-extension inject.js

Hello I have a react project which is working full and functional but when I look into network form console I find an unexpected script called chrome-extension://gppongmhjkpfnbhagpmjfkannfbllamg/js/…

Throttling history state changes to prevent the browser from hanging

This is a beginner angular question. My Angular Application comprises of multiple feature modules.I used authguard by generating guard from the angular-cli and then I use CanActivate in my app-…

Cannot find microphone “allow” button in Opera browser

According to caniuse, Opera supports the Speech Recognition API. However, when attempting to view a simple example, I cannot find the “allow” button alluded to upon click of the microphone icon. In Chrome, the allow microphone dialog immediately pops up when the microphone icon is first clicked. I’m testing on a clean install of Opera 39/Mac. Answer Like HiDeo said, according to https://developer.mozilla.org/en-US/docs/Web/API/SpeechRecognition#Browser_compatibility they do not support webkitSpeechRecognition. But the real issue here is that you are not getting prompted to allow the use of your mic. Double check this is correct. To always allow sites access to your camera