js-next | A JavaScript next generation apps scaffolder | Frontend Framework library

I'm trying to click a particular button on the page using a hotkey that will trigger a javascript that will do that. But no matter what I tried, I'm getting "click of undefined"

Hotkey thing is working perfectly, but the only issue is clicking on that element (button) which has no ID, only class

here is my manifest.json

I have an issue where my web browser is not responding when looping javascript through a while loop, so I can't cancel this loop or do anything with my web browser.

I'm triggering javascript with checkbox and I can't uncheck the checkbox after I checked it because my Browser is not responding while looping

Here is the code:

I am new to firebase and a I am trying the pagination query. I like to have a 'Next' and 'Previous' buttons. My next button is working fine, my issue is when clicking Previous

Reference: https://firebase.google.com/docs/firestore/query-data/query-cursors

Currently, I have 10 documents on my collection and I like to display 3 at a time.

On load I display 3 items only

I have an appointments plugin with an option to select particular days in a checkbox manner. I have added a custom validation for the field. Everything works fine. When we check the checkbox and uncheck it the validation doesn't work. Here is my code,

I am new to NodeJs coming from Java background, I'm trying to understand the use of the convention next() call.

I've gone through the following posts -
1. javascript node.js next()
2. https://www.naeemrana.com/node-js/express-js-middleware-what-is-next/
3. When to use next() and return next() in Node.js

What I could make of them is next() is similar to a callback or maybe a reference of the next function to be executed after the current function's execution,
Also understood it's recommended to use return next(); instead of next(); to avoid the function to be re-executed.

Following is a sample code from one the links -

I have a progress bar that i want to loop when it come to the end or before the start, with next and previous link. I don't know how to change my actual javascript to do that :

I am trying to click a string of text within a web browser control that runs some javascript, I am unsure how to click the text as the method I use for buttons does not work in this instance

The following example shows a bootstrap modal which is activated in the second step of intro.js. Unfortunately, I do not know how you get the overlay of intro.js transparent so you can see the modal. In addition, I would like to add a progress bar as in this example. Hopefully someone can help me with this.

HTML

I have a Bookings show page that with a next button that uses ajax to click through all a users' Bookings and replaces each instances' attributes. However, I need a way to dynamically change each edit and cancel path for each Bookings' show page.