I am a beginner in ReactJS and I have a problem with Selects. I have a Select that renders some plants and bees with MenuItem. What I need is that Select already comes with some values marked in the list of bees and plants. If the user clicks on New Property the selects are blank, but the user clicks on
Tag: javascript
Should I use Context Isolation with my Electron App
My friend and I are almost done with our project. It’s basically a now playing/miniplayer app for Spotify. When I was checking the render process console, I had one more warning that I wanted to clear. It was about worldSafeExecuteJavaScript being true and how it’s unsafe. I looked farther in to i…
Typescript – Type a function that accepts an array, alters one of its properties, but still returns the same typed array
I have form fields represented as objects that get mapped over and based upon the type returns React elements: The problem I’m running into is I’m trying to validate the fields after a form is submitted and check for any errors in value: but this reusable validate function has a ts error: Since va…
Show hidden drop down based on selected option in another drop down with jQuery
I’m trying to figure out how to show hidden div but I’m a little rusty on jQuery. So when a user selects “Yes” from Menu1 dropdown, I want the Menu2 dropdown to show up. l’m using style=”visibility: hidden; to hide Menu2. Answer You can use this siple javascript code for th…
Fetch request in React: How do I Map through JSON array of object inside of array of objects?
I managed to fetch API and could output some data in browser, but I couldn’t handle an array of object in JSON. It’s a rest country API, where some countries have more than 1 language. I want to output all languages they speak. Here is the API link. And here is my code Answer you should call the l…
Create a “tail” for an object that is orbiting
Edit Here is a JSFiddle with the code for the “tail” function commenting out.Solar System JSFiddle I have this object I am working on that has an object orbiting a center mass. That works perfectly. I am now trying to add a trailing line or “tail” that follows behind the planet. My tai…
Change image according to value of MaterialUI slider
I would like to use a discrete Slider component from Material UI to change a picture in a React web app: every time the user changes the value on the slider, a different picture should be displayed in a specified div. How can I do it? I guess that this starts with invoking a handleChange function in onChange …
Why does headless need to be false for Puppeteer to work?
I’m creating a web api that scrapes a given url and sends that back. I am using Puppeteer to do this. I asked this question: Puppeteer not behaving like in Developer Console and recieved an answer that suggested it would only work if headless was set to be false. I don’t want to be constantly open…
Intellij WebStorm showing useless usage search on encapsulated React components (using HOC)
It is basically this issue. While using code like I can’t use search usages properly, because it obviously finds the export line. It can be hacked in functional components like this: but gets very ugly when using redux for example: My questions are: Is there a way to overcome this without using such ugl…
ApexCharts.js: How to set fixed value for axis label in Line Chart
I’m currently using ApexChart to display a Line Chart. Question: I was wondering if there is a way to set fixed axis label values. My research effort For example: Let’s say I want a Line Chart that displays some count per hour in a 24 hour period with ticks at the [00:00, 06:00, 12:00, 18:00] hour…