Why is my secureTextEntry not working ? Here is my code: Answer secureTextEntry does not work with multiline. Here is what React Native’s documentation says: secureTextEntry If true, the text input obscures the text entered so that sensitive text like passwords stay secure. The default value is false. Does no…
Tag: reactjs
Change React Context without triggering a re-render
I have a download dialog that you can click on to download the graphics on my website. Because the graphics are created with HTML Canvas, I cannot simply download an array of image links. I have to contact each of the components and render each of them into a data URI. On my app component, I have defined a co…
Create react component to conditionally wrapping children
I would like to create a ConditionalWrapper component to being more declarative, in my app. My idea is to use it as following I got this so far, but obviously it is not working, and I really cannot see where I am wrong. The error I get at the moment is Uncaught Error: Element type is invalid: expected a strin…
React componentDidMount setState but return undefined
I can get list with get axios.get method. then ı can use setState and it works flawlessly. but the return is not true , its return undefined console.log(result) => undefined . How can ı check if setState work fine return true or return false ? Answer Your return true statement is in setState’s post-s…
react – not able to update state in input value
I am learning react and I want to create a simple form where the input value changes and updates once the user types it in. I have this code where the input value updates the state when it is being typed, but when I press enter, the old state returns. I did lots of googling but can’t seem to make
Take array Index values in onClick event
how to write an onClick event in my react app to take array index in this code? I just want to get array index as a output This is my array in JSON file. This is my array import ) This is the women array output } Women tab output Currently I get output like this. Women tab expect output
Regex for hashtags tree takes too long to execute
In our app we have topics which user can create, and each topic must have it’s own hashtag (or hashtags hierarchy). We have this kinda Regex for validation: What i need is for user to be able to create hashtags which have structure like this: (#) symbol Text in lowercase Optional slash (/) followed by l…
How to render icon based on props using react and typescript?
I’m using react-feather to render icons in a component. I’m able to get it to import a static icon by hard coding it in. But how do I make it render the icon based on what has been passed to it in the IconLeft.icon props? Answer You can use cloneElement to dynamically render any component you want…
Location me in map from React Leaflet
I want to ask if I use a map from React Leaflet (https://react-leaflet.js.org/) but how do I add a location button to the map? like this an example of the location me button in the image that I gave the red arrow And pictures in the link: Example of an arrow Location Me An example on my map where I
“npm install” not working for react project pulled from github
I’m on ubuntu 20.04.4 LTS. I’m trying to install locally a react project. I tried to clone de repo from github, and install locally the react app, doing this : git clone https://github.com/OpenClassrooms-Student-Center/7008001-Debutez-avec-React.git then npm install –verbose But it just won&…