I want to get Height of an image in a react functional component using react hooks. I have used below code: The problem with this is that it returns the clientHeight as 0 but console.log in useEffect has the correct clientHeight as shown in below pic. This means that ref && ref.current && ref.…
Tag: reactjs
Property ‘xxx’ does not exist on type ‘object’ when object is of unknown type
I am using Typescript in a react project which includes React Router (v6). React Router returns a location object from the useLocation() hook which has a property called “state”. State is an object which can be passed to any url and can have any properties you want. It simply has a type of “…
How can I get ReactJS prevProps and prevState equivalent in Vue
I want to make a network request every time a certain value in my state updates. I want the network request function to be called only when that particular value changes. In React I’do something like this How can I replicate this in Vue, can I do it from the updated() lifecycle hooks? I can’t seem…
‘useEffect’ hook only fires once?
I am working of a Guessing Game for ‘React Native’ where the user enters a number and the phone tries to guess it. Each time the phone generates a guess the user can click Greater/Lower. When the user entered number and the computer made guess equal each other we are taken to the game over screen.…
React Native, in a text string, change color of words having # or @ in start just like twitter
I have a text string some of words are having # or @ as prefix (in start of words, just as #example or @example) i want to change such words into blue color . React Native Answer You can use a custom component like below. You can check the working snack https://snack.expo.io/@guruparan/demo2
How to add pagination to a long list using React MaterialUI?
I am using react + materialUI for implementing a list and filter functionality. The list is expected to be populated from an Http request and can have large number of list items. So for this reason, I was looking into pagination in MaterialUI documentation but no clear implementation is there. I want to provi…
n is not rendering the text in new line
I am having some dynamic JSON strings like below: So when I am printing the same as output, n is not rendering the text in new line. So I wrote the below code: Now the problem is – It is rendering the text in next line after encountering first occurrence ofn, but not after that. Neither it is working fo…
Error: Looks like you have nested a ‘NavigationContainer’ inside another. Normally you need only one container at the root of the app
I followed the docs of React 5 for Drawer Navigation in react native but getting this error. Here is my Code I am new to react native, so don’t know what to do Answer You only need to declare one < NavigationContainer > in the top component, example:
How to get the value of the span element with testid using react testing library?
I want to get the value of the span element using react testing library. What i am trying to do? I have a span element like below displaying some value Now within my test i access the element like below, But i am not sure how to retrieve its value. I tried using span_element.value but says ‘property val…
Next.js: Error: React.Children.only expected to receive a single React element child
I’m having a component called Nav inside components directory and it’s code is some thing like below: This gives me the error: Error: React.Children.only expected to receive a single React element child. But if I remove the <a> tags within <Link> components, I can view the pages, but t…