JavaScript Apprenticeships

I've been getting this weird error and I just can't figure it out Here is my current code:… Read more Uncaught Typeerror: Cannot Read Property '0' Of Undefined

I would like my logo to scroll up and down vertically based on the scroll position on the website. … Read more Div Position Based On Scroll Position

Is there a way to detect and stop if page is reloading. I have a page which is getting reloaded aft… Read more Prevent Page From Reloading After Form Submit

I have an issue with showing/hiding optgroup options. I tried showing them in Chrome and Internet e… Read more Show/hide Select Optgroup Options In Internet Explorer

If I were to create an image as a Raphael.js object with the initial size [w1,h1], then scale it us… Read more How To Determine Size Of Raphael Object After Scaling & Rotating It?

I have problems with string truncation in my app built with laravel and JS(jquery). At first I thou… Read more Javascript Truncating String During Concatenation

Is there any way efficiently to join JSON data? Suppose we have two JSON datasets: {'COLORS'… Read more Sql Style Join On Json Data

I'd like to hide a column (its an ID column that is unique for each row), but I cannot remove i… Read more Possible To Hide A Slickgrid Column Without Removing It From The "columns" Array?

I am developing a reactjs app. I am trying to list users from the data of an ajax response. Below i… Read more Reactjs Using Usestate Causing Loop Of Axios Requests

I have implemented the drag and drop API of HTML5 in my app, and I need to disable the default ghos… Read more Html5 Drag And Drop - How To Remove The Default Ghost Image On Ie

I have the below Angular function. Function : var App = angular.module('app', ['ui.boo… Read more Page Doesn't Redirect To The Specified Page On Invalid Url

How can I know when the user has scroll on the screen? Solution 1: You could subscribe for the w… Read more Detecting Browser Scrolling

I can’t figure out where the problem comes from! The mail() is working perfectly (I already tested … Read more Html Form With Sendemail

it's a bit of a nooby question, but there it goes: i have a site where the user can only naviga… Read more Redirecting To A Specific Page When Clicking Browser's Back Button

The default settings in factoryng filter out design documents. How can I include these design docum… Read more Include Design Documents Factoryng

I am making a website with a splash screen that I want to make disappear after 3 seconds. I can su… Read more Add Class After Delay With Vanilla Javascript

I have decided to do a complete rewrite of the large scale application that I am working on since i… Read more Angularjs 1.4 --> Angular 9 Migration Vs Bigbang Rewrite

I am trying to understand two things about this code: var updateFn = function(num){ return funct… Read more Little Help With Javascript Code Involving Settimeout() Method

I use node.js v4.4.4 and I need to run a .bat file from node.js. From the location of the js file f… Read more How To Execute A .bat File From Node.js Passing Some Parameters?

I would like to know how to define a getter for default objects like document.cookie. document.__d… Read more Defining A Getter For Document.cookie