Sorry this is more about lack of enough JS knowledge I think but my question is in my component if I have <td>{() => this.renderCell(item, col)}</td> method being used like that it won’t work but being called normally like I have in the component below then it works: What’s the diff…
Invoking function expression
I’m following a React-hooks tutorial and I don’t understand why does the function expression, timerId in the top useEffect is being invoked automatically, but the function expression, search, in the bottom useEffect requires it to be called search() in order to invoke it? Answer It is assigning a …
Natively import ES module dependencies from npm without bundling/transpiling first-party source
Background I’m trying to create a “buildless” JavaScript app, one where I don’t need a watch task running to transpile JSX, re-bundle code, etc every time I save any source file. It works fine with just first-party code, but I’m stuck when I try to import dependencies from npm. G…
How to get the changed select button among many select buttons?
I have many filter button like below, how can I get the select value without using its id? Normally, I will use this code to find the changed select button: But the problem is when there are many filter buttons, I have to write many functions like above and just only change the id. How can I just use somethin…
ReactJS – unable to show stuff on the DOM that is in another component
Hi there I’m a beginner looking for some help. I have made two .js files. One is the App.js and another is a Box component. This is App.js This is my BoxComponent However, for some reason, the paragraphs and input within the boxComp doesn’t render onto the DOM and I can’t seem to figure out …
Why is this recursion example giving me an infinite loop?
This is driving me insane. Here is the code : Why is this giving me an infinite loop when it’s supposed to print ‘laugh’ 10 times? Answer Like other answers said, each laugh() created a new local counter. The most appropriate recursive method here is to pass the counter as an argument: This …
Set cookie everytime user deletes it
I want to create a cookie everytime a user deletes it, using Javascript. For example, I have many cookies, even some cookies which set a ban time to the user who abuses the website. Basically I want to set a cookie which will be set whenever all of the cookies are deleted. Btw, I do not want to create the
How can I wait for a request to load in Cypress?
I’m writing automate test on Cypress and I want to wait for a page to load. There is a request named “Availability” that if it passes with statusCode:200 then the page loads. I’ve tried this, but it didn’t work: How can I do this? Answer Where is your page visit? If it’s he…
How can I use arcgis js in Vue js
There are several example in docs of arcgis, but I can’t use it properly. When I import Map from arcgis like shown as in that example: import Map from ‘@arcgis/Map’ It gives error in browser which not found ersi like that Why it tries to download files from assets? Answer Using the ArcGIS JS…
I’m trying to put the data I’m receiving from my API into a table but nothing is displayed
I’m getting data from my API, when I make a console.log or JSON.stringify in the API data it shows without problems but when I pass the data in a table with the map, simply nothing is presented in the table. . Answer I think you are confused about the data you have in hand. The key is the id for