I have a js script which I want to execute in my Java application. I have tried to use the Chromedriver API to do this But it throws the following exception: I am so confused because the script can simply run with node xx.js Does this mean the js which uses the global object cannot execute in a Java applicati…
Tag: javascript
React Search bar maps out every item instead of waiting for userInput
I am currently pulling data from an API that gives random user data like name, age, email, etc … I have setup a searchbar component and I map over the array but it returns all my names without waiting on a userInput. I am passing my state as props deconstructed as shown below. I also get no errors on my
react-dom-router Link component doesnt work as expected
I have a react app with two pages— the home and trip page. The trip page is rendered with the tripID passed in through the url. My app.js looks like : I have a global navbar with a menu of different tripIds as many Link to navigate to the TripComponent. When i am at the “/” path, and I navig…
discord.js – Receiving error when trying to retrieve userID of .repliedUser
Here’s the situation: In my server I have a bot (not mine) that replies to specific user actions with a message containing an embed that has the word “Done!” in the description. I want to set it up so that once this bot sends the “Done!” message the user it replied to receives a role. Today being the first da…
How to make child components use map() from App.js props data?
My react is 18.2. I want the child component to receive data and use map() from App.js. I checked the child component received the data, but I don’t know why does it can’t use map(). It shows this error. Uncaught TypeError: Cannot read properties of undefined (reading ‘map’) So do anyo…
How to filter and then aggregate results in pure Javascript
Say you have two arrays and want to find the most visited group (or groups – limit will be given) in from: four legs = 90 two legs = 160 no legs = 100 six = 90 eight = 160 many legs = 1000 something not listed yet Expected answer “many legs” for top 1. I have written my own
How to print an array updated by setTimeout? [closed]
Closed. This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be answered with facts and citations by editing this post. Closed 7 months ago. Improve this question The task is to write a function to reverse an array of numbers and p…
Can JSON strings be converted to fractions for equations when building REST API in Node JS?
I am creating an API for a picture framing calculator. I am using Node JS with Express. The code that I’m using is this: Therefore, a JSON POST request would be: What I am trying to accomplish is that instead of a decimal – a fraction such as 1/2 can be inputted instead. For example: The problem I…
Why doesn’t Object.setProtoypeOf work on functions?
Let’s say we have the below code: why doesn’t Object.setPrototypeOf work on function if all all function in JavaScript are also objects? Answer The setPrototypeOf method works just fine on functions, you can now do EighthGrader.sayName() (which will say the EightGrader function’s .name) and …
Merge sort time complexity check
Hello guys I was learning about the merge sort so I wrote this function that takes 2 arrays and merges them sorted. Can someone tell me the time complexity of this function? I thought it would be O(n^2) as I am using shift inside a while loop. Is that correct or am I missing something here? Answer The worst c…