I’m following a react tutorial but I’m lost. I don’t understand starting line 9. so I tried to make a little miarature https://jsbin.com/sifihocija/2/edit?js,console but failed to produce the result that the author did, what’s wrong? Answer Issue is in this line: const index = list.fin…
Tag: reactjs
Using a regular JavaScript library inside a React component
I’m curious what’s the best way to use a regular JavaScript library (not written as a React component) inside a React environment. For example, let’s say there’s a JavaScript library that embeds a simple widget to my webpage. The instructions are as follows: Include the loading tag in …
Argument of type ‘Element’ is not assignable to parameter of type ‘ReactElement
This code: …produces this compilation error when compiling with TypeScript: error TS2345: Argument of type ‘Element’ is not assignable to parameter of type ‘ReactElement’. Type ‘null’ is not assignable to type ‘ReactElement This only happens when the strictNullC…
React: How to navigate through list by arrow keys
I have build a simple component with a single text input and below of that a list (using semantic ui). Now I would like to use the arrow keys to navigate through the list. First of all I have to select the first element. But how do I access a specific list element? Second I would get the information of
how to convert the binary data to image in reactjs
i have inserted an image to database and also i am receiving the image from database to server and to reactjs but in my react i am receiving it has binary data. but how do i convert the binary data to image in react. Answer Converting binary data into image is not related to ReactJS, If you have the binary
How to remove trailing slash in react-router URLs
I start to use react-router in my application and I am noting that when it has a trailing slash at end of URL (/url/) it does not work. I searched more about it, read all documentation and react-router issues and tried to use <Redirect from=’/*/’ to=”/*” />, however it was not a …
TypeScript & React – one onChange Handler for multiple input fields
Say I have a form with multiple input fields. In normal ES6/React I would create a single method that all input fields would point their onChange handlers to. Something like this: This helps in the case where you have a lot of form elements and don’t have to create a specific method to handle each of th…
Sending number instead of string from Select in React component
I have a “controlled” React component for a very simple drop down that looks like this: Initially, I set the value of the field to 0 in my reducer. This is the right thing to do because the value will always be a number. The problem I’m having is this: Initially, everything is fine but when …
How to use ReactJS in Laravel
I am new to ReactJS and I am looking for a way to integrate it in Laravel. Is there any way that I can use React components within laravel views or it should be done only by using API as separate projects. Answer Use Laravel to provide the base view, but then after that all the views would be handled
‘Access-Control-Allow-Origin’ issue when API call made from React (Isomorphic app)
I’m running into an issue with my isomorphic JavaScript app using React and Express. I am trying to make an HTTP request with axios.get when my component mounts I am getting a status 200 res from the API, but I am not getting any response data and getting an error in my console However, if I make the re…