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 …
Tag: reactjs
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 …
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
Server send an raw image in axios, how to convert it to base64 or other way to use this image
From the following link, I get an image. Unfortunately, it shows the image in the preview tab of inspect element of the network. but in res.data it shows broken text. How will I be able to use this image in img tag like . I also shared what it returns to me in console and preview This is what it
I am getting read property map of undefined.I have tried everything but nothing worked
I have tried many solutions given on StackOverflow as well as on other platforms but nothing worked. I am new to ReactJs and I am unable to understand what is wrong in this code that I am getting this error. } Answer The Promise from axios does not resolve instantly and it is very likely that the render funct…
wProps updating in react dev tools but conditional jsx not rendering correctly
I’m having trouble understanding why my child component is not updating it’s conditional JSX from the renderFace method despite the prop values being updated in react dev tools and the value of the element being targeted also updating (“data-icon” value in photos 3&4). initial null…
Position child element directly under and justified right to the parent element
I am creating a dropdown menu component using React. I would like to know the CSS required to position the menu element directly under the “.menu-trigger” button, with its right border aligned to its parent’s (“.menu-container”), right border. I would like this CSS to be able to …
React store problem using easy peasy, unexpcted rendering mess up the model in store
When I call an action, first time data is loaded perfectly fine. Component re-renders again and messes up the state. Default State Working State After unexpected render My Code Answer I Updated React.useEffect() to : Now it works.
react-cropper URL insanely long
I’m trying to save cropped images using react-cropper. It seems to work as intended, but the URL that gets saved is crazy long. The console log of the data package alone is often over 100kb, and that’s just a data URL. When I console log (and send to a DB) I store a value that starts with data:ima…
Form does not have data in FormData javascript
I’m trying to submit a form without redirecting using AJAX. From the answers I saw the [best](new URLSearchParams(new FormData(form).entries()); ) I found (I think) without using jQuery was: I’m trying to apply this mechanism in my code, but for some reason my form does not have information. I gue…