Top "Frontend" questions

The user-facing part of an application.

What is an FE Developer?

I just got a job offer to be a FE Developer, but I've never heard of that term before. Strong …

javascript jquery frontend
npm test -- --coverage never exits

I am using create-react-app to create a react application. When I executes npm test -- --coverage the test never exists. …

node.js reactjs unit-testing continuous-integration frontend
What's useEffect execution order and its internal clean-up logic in react hooks?

According to react document, useEffect will trigger clean-up logic before it re-runs useEffect part. If your effect returns a function, …

javascript reactjs frontend react-hooks
React architecture for a huge business application

So we've recently picked up React in our company as the front-end technology to build our huge business web application. …

reactjs dynamic architecture redux frontend
Can you use Python for both front end and back end using Django framework?

I'm watching the udemy Django tutorial that requires using JavaScript as the front-end and Python for the back-end: Can you …

javascript django python-3.x frontend backend
How a CSS pixel size is calculated?

While delving into CSS units I've encountered a definition of the reference pixel. However, I wasn't able to find a …

css screen pixel frontend
Clicking a button to open dialog in ReactJS

I'm working with React MDL library, and I used pre-defined components like FABButton <FABButton> <Icon name="add"/&…

reactjs dialog frontend react-modal
ReferenceError: performance is not defined when using performance.now()

I am getting an error ReferenceError: performance is not defined when trying to use performance.now() to measure the execution …

javascript typescript frontend
Using kibana and mongodb together without elasticsearch

Is it possible to use kibana front-end along with a mongodb back-end without using elastic search? I'm using logstash to …

mongodb user-interface frontend logstash kibana
Webpack file-loader ignoring PNG files

I'm trying to output all image files through webpack file loader, webpack is ignoring images with PNG extensions however. Configuration …

webpack frontend webpack-file-loader