I’m trying to test a component which renders two different sub-components when its internal state changes from false to true: when it’s false it renders a button that, if pressed, changes the state from false to true and renders the other one. The other is a form that on submit does the opposite. …
Tag: reactjs
React Hook “useEffect” is called conditionally
React is complaining about code below, saying it useEffect is being called conditionally: And that returns me the error: React Hook “useEffect” is called conditionally. React Hooks must be called in the exact same order in every component render. Does anyone happen to know what the problem here is…
How do you dispatch an action along with a DOM event?
I’m picking up working with react and redux, while handling state locally I am able to pass events along with onChange handlers so as to access the value with event.target.value and set them to state. Unfortunately, I am unable to pass the event to MapDispatchToProps I have tried passing the event along…
Submitting form with textarea in React
I have a textarea that I want to stringify to JSON on form submission. I will even settle for just having the function set the textarea value. let value does not update. Do I need to use setState? this? Answer There are a number of issues in the code indicating a lack of familiarity with the excellent React t…
Error: Not implemented: window.scrollTo. How do we remove this error from Jest test?
The error: Because we are using window.scrollTo(0,0). Also getting Not implemented Navigation for: window.location.replace(externa_link) same error happens with .assign. I tried googling for solutions with react-router, but all examples use some component which contains window.location. Is there a way to avoi…
Getting index.html content while trying to scrape a react website
when i try to scrape a reactjs website using nodejs i am getting the content of index.html file only not the tags that were used in the website. Here is what i have tried – What should i do to get the whole of tags that were used in react website. And do tell i can scrape the hackernoon website
Using React Hooks with more than one Key/Value Pair in State Object
I wonder what the best way is to define more than one key/value pair for the state in a Functional Component. In a class I would initialithe State like To update the State I call Now with React Hooks I initialize the State like so. To update the State I call: But, IMHO, that is not ideal. I have to
how to get input field value on button click in react?
Could you please tell me how to get input field value on button click in react , I am using react hooks .I want to get first name and lastname value on button click. I already pass name attribute in my function component. Here is my code Answer Use <form> tag with useRef hook Wrap your <InputField>…
Acquiring a new token with `axios.interceptors`
When the token expires, I want to get a new token based on refresh_token. I have read that this can be obtained with axios.interceptors. Please check if: Have I correctly configured axios.interceptors? Have I placed it in the right place, i.e. above theItems class. axios.interceptors.response is assigned to t…
How to pass props to a component which is being passed as value
here is my code scenario I am using components in another component like below. I want to pass a prop to EditableCell which is a component defined in another file. when I do following it gives me error I am not sure how do I pass props. Please help. Answer You need to wrap the component in a function: