JavaScript Apprenticeships

I'm using Firebase and Vuejs to create an database element, which has object array inside. Tha… Read more Append To An Arary Field In Firestore

I would love to code simple image painting in HTML, CSS and probably jQuery also. Let's say I h… Read more Is There Any Way To Colorize Only Part Of Image On Hover?

I want to add the click event to all elements where the `id='violacao': $(document).ready(f… Read more Where Is This JQuery Wrong?

For simplicity, i have the following file named test.jsp: I put this file in my local ser Solut… Read more Javascript String.replace(/\$/,str) Works Weirdly In Jsp File

I have 2 s with ids A and B. div A has a fixed width, which is taken as a sidebar. The layout looks… Read more How To Toggle (hide / Show) Sidebar Div Using JQuery

I have 3 objects in an array. myArray = [ {name: 'iPhone', link: 'www.apple.com'}, … Read more JavaScript Object Properties - Connect Them Together?

I have got a from where people can input values. The form is submitted on change or on enter depend… Read more How To Stop A Page Jumping To The Top Once A Form Is Submitted?

Summary: I am trying to achieve the effect where when user types a ( or [ in the content-editable d… Read more Set Cursor Position In Content-editable Div

I cam across this site: https://travisscott.com/ As you can see, when you move the camera, the grad… Read more How To Incorporate A "moving" Background In THREE.js

I currently had my form set up so that each section was refreshed using Ajax, however it didn’t deg… Read more Multi Step Form With JQuery Which Degrades Nicely If JS Is Turned Off

I send file using XMLHttpRequest and it works 'OK' while size of file less 130 kB. My code… Read more XMLHttpRequest Send Only 130 KB Max Size File

Virtual DOM is a light weight copy of DOM, maintained / cached locally before inserting it into act… Read more How's Virtual DOM Implementation Is Different Than CreateDocumentFragment() If No State Is Observed?

In JavaScript undefined can be reassigned, so it is often advised to create a self executing functi… Read more JavaScript Undefined Replaced With Null

I am making two GET requests to two different urls, which return different pieces of data. I am the… Read more React - Combine Data Returned Two Api Calls And Set State Of An Array With These Values

I found the rxJS docs define them as What is a Subject? An RxJS Subject is a special type of Obser… Read more What Are RxJS Subject's And The Benefits Of Using Them?