document.addEventListener("visibilitychange", onVisibilityChange, { passive: true, }); This will fire even when someone navigates away from my page. Of
I have a react application having a community chat feature. The code for the comment section is : I am a newbie to this error and have no clue about it, can som
Searched for a few hours on the web for this one, but only found the following. First, JavaScript has Math.clz32(x), so you can Count Leading Zeroes on the 32-b
I am facing this issue from a long time, Finally I managed to make a demo example of my problem. I am trying to make a infinite image scroll view. So when we po
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vuex store/modules/cafes.js import CafeAPI from "../../apis/cafe.js"; export const cafes = { //status = 0 -> 数据尚未加ů
I have created a new Mongo collection to a new project, but when I try to create a new user, I get the following error: MongoError: E11000 duplicate key error c
So I'm trying to use useState in my nextjs app, but as soon as I add in the line of code to initialize useState it throws a popup error with the error message:
I did the code for dark/light mode this way, using Javascript and CSS. but I can't find anywhere a way to add a transition on changing the light/dark modes. CSS
I am trying to install this app locally on my m1 MacBook air > Github - Todoist Clone Running npm install in the terminal is causing the following error, ple
I'm trying to add another field value in a document but firebase returns TypeError: n.indexOf is not a function. Here's the code: async function linkLCSN(cor, s
I'm new to JavaScript and for an assignment I need to use 2D Colormaps Javascript Plugin (https://dominikjaeckle.com/projects/color2d/) for visualization. I kno
I am doing my first Ecommerce MERN stack project but i donot know how to make search component that will take the search input and return array of matching prod
I want to show letters only in uppercase in input text field. <oj-input-text style="text-transform: uppercase;" id="text-input" placeholder="Select new Item
I looked at Vue cannot find module image location and couldn't figure out a solution. in my code when I hard code it :src="require('@/assets/featured/pizzaOne.j
I get data from localstorage. I used useEffect. But when I want to get a value in object, I got problem. const [carinfo, setCarInfo] = useState(); useEffect((
I have an area (in this case, the Kitchen area with yellow borders), inside this area there are other shapes (numbered 1 and 2 light blue color) that divide the
I am making a simple CRUD function for a bill management system. It uses Jquery AJAX JSON to communicate to the servlets. The update and delete functions are ac
I want to display the ngx-wheel using api but I'm having trouble displaying the data. Here my Service : import { Injectable } from '@angular/core'; import { Htt
I'm trying to stream a video file using Javascript's MediaSource API in a React custom hook. Here's the snippet of my code: const useMyHook = (videoRef: React.M