This code is not working. The object I’m trying to move is not moving when I’m pressing the Up & Down Arrow Key. Answer You should do something like that: The position attribute of the “ship” must be like “relative”. By the way, e.keyCode is deprecated, you can use e.co…
Tag: javascript
What is the difference between App: React.FunctionComponent and App = (): React.FunctionComponent?
Trying to understand typescript at the moment. What is the difference between: and: The second one throws an error: Answer means that App is a type of React.FunctionComponent<CustomProps> means that your App is the type of any because you didn’t assign a type but it returns an object of type React…
Different results trying to port SHA-1 digest from Python to browser JavaScript
Main question I have the following short piece of legacy code that I am trying to port from Python (with just standard lib) to JavaScript – from the name of the methods I assume it creates a SHA-1 digest of the abc string I searched for how to do that in the browser in JS and found the following code
Why Vue will update only once when two reactive data mutation super close?
Please see this minimum example The console will only log “Triggered!” once, why is this happening? And how does Vue determine this batch update? Answer From the Vue guide on reactivity: In case you haven’t noticed yet, Vue performs DOM updates asynchronously. Whenever a data change is observed, i…
PWA – How to hide button add to screen
I make react app from Create React App then use default config PWA. But i got confused how to hide button add to screen. Any one can help me? thank you Answer You need to prevent the installation: In addition you can save the installation event and create a custom install button:
If statement of a disabled button in Java Script for Protractor tests
I have the following issue: I have a page where the “Save button” becomes clickable only when I enter a certain value inside a text filed. What I want to do is to check that if the Save button is disabled, then I need to enter some value in that text field. What I thought is to have something like
Rollup : single html output
I’m trying to package my Svelte app into a single Html file output. I’ve managed to get the desired output with a configuration based on that answer : Output Single HTML File from Svelte Project With “npm run dev” everything is fine with the first build, but I’m having issues fol…
only part of gltf model appearing using three.js
I have been trying to add this gltf model ( https://poly.google.com/view/28RBIWE8jzc ) using threeJS’. The code below is the only way that I have been able to see anything and I only see a small part of the object. If anyone knows what needs to be changed I would appreciate some help. Answer The basebal…
Display Two Div Columns Side By Side In A Row, Such That It Works With AMP (Accelerated Mobile Pages) As Well
I’m trying to display an image (thumbnail) on the left and some text (in a h3 tag) on the right. Here’s my code: CSS PHP This works absolutely fine normally. But, when I activate the amp plugin (which removes all the elements that are not allowed in AMP), the image starts to display above the text…
Splitting a text file into two parallel arrays (java)
I have a file that’s a translation of morse code patterns into the alphabet. I need to separate this file into keys and values, in two separate arrays. I am hoping someone can show me the basic algorithm that would generate a similar result so I can model my code after it. How would I split the left sec…