Javascript – useState does not set
First of all, yes, I talked with ChatGPT, it does not give a working answer. The main is that I want an image to be rendered. Why in my case the setter does not work? Probably the error lies on…
Javascript – How to render an array of Object which is stored in local storage
I am working on a chat project where I want to push some data of objects to the array. I am storing my data in the local storage and when I enter the values in the input field, local storage…
Reactjs – Why does this component not re-render when i use array.push instead of using spread operator in the addToArray method
I don't understand why the component Form does not re-render when i called setInfoArray by passing a new array created using the push method. When i logged infoArray after submitting the form, the array was updated but the component did…
Javascript – Can't grab dynamically created elements via querySelector using insertAdjacentHTML
I'm trying to grab an element from page and add an addEventHandler to it. Element (link with class .catalog__link) was dynamically created in another external function when the page was loaded using insertAdjacentHTML. I invoke them both in third js…
Flutter SVG vs PNG performace manner
There are a lot of images I have to show in the Flutter mobile application. What is the best choice? When showing images, use PNG or SVG. Could I know when the comparable difference accepts I searched for a lot,…
keydown event not getting caught in react unless I cause a re-render – Javascript
I'm trying to print specific components of my app using react-to-print library. I'm trying to override the event of pressing ctrl+p for printing by using event.preventDefault() and it's working for the first time that is when the app renders, on…
React – Prevent rendering of mapped buttons – Reactjs
I have 4 buttons created through a map. They are the four possible answers of a quizz application. Their state is upadated through one function handleClick. On click, the function disables the buttons, checks if the answer is true, then…
How to have different types of components in each section of a React Native SectionList?
I have a SectionList divided into 3 sections: General User Info User Vehicle Info Other Options The General Info Items need to be TouchableOpacity components so that when a user clicks on them, they route to an update page to…
How to check if a compnent is re-rendered or not in react? – Reactjs
I've been working with react for nearly 3 years, but sometimes run into difficulties in "Rendering" meaning. Practically, to check "Rendering", I just put "console.log('render')" in a component right before "return <>...</>". Is this correct check? Or Can't I know…
Can't get React to render most basic things – Reactjs
In the past week or so I've been following several tutorials to learn React. However every tutorial I follow ends up in the same problem. I'm sure there is something stupid I'm missing, like an install or something most developers…