I have a callback function that gets called by some other object which I can’t control. I need to wait until this callback function is called, I don’t care by who. I found this hacky workaround, but it sucks: Answer Create a promise, pass its resolve function as callback to the unknown caller some…
setTimeout runs only once then not working
I got JS as below. I want all bootstrap alerts to dissaper after 1 sec. It works just one time but when i add more alerts they stays as they are. What is the cause of that? setTimeout: Answer That’s because setTimeout is only called once. If you want to have multiple calls, use setInterval, that is used…
How to make this code compatible for react-router v6
In ProtectedRoute.js I have coded: and in App.js I have written as: Error says: [ProtectedRoute] is not a Route component. All component children of Routes must be a Route or <React.Fragment>. Is there something missing! Thank you Answer In react-router-dom custom route components are no longer used. Ro…
Vanilla JavaScript: How to dynamically create a button that shows up after user has selected some text and then do something with that text?
I’m working on a little project in which users can upload their .docx files and then read those files (and files from other users) right in the app. For this purpose I have extracted text from docx and displayed it in a div in separate view and html page. Now, I would like to give my users an option to
How to post a form with fetching?
I am trying to send a post with fetch an API. My fetch is working because it returns 200 and sends the request but it sends an empty form. It cannot take the values in the form input. Where is my mistake and how can I fix it? Answer [Update]: You can either remove the application/json header and let browser
Typescript reducer’s switch case typeguard doesn’t work with object spread
I have a reducer that does different actions depending on the action.type, actions payload is different for certain actions. This code won’t work, the errors will say that my action payload can be State or { id: string; data: TypeEditData }. However, if I access the payload property inside switch case u…
How user string input will show as background color in a div in react JS functional component
I am trying to make a color box where users can input color as a string but will display output as a background color in react I tried this way but it did not work as expected I am just learning to react. thanks in advance Here is my code. ); } Answer I’m not sure this is what you
React Native FlatList not showing
Whenever I try to show a list of kids, it throws a fit and doesn’t do anything. Is there something wrong with my json or is it the way I rendered the list? my file: Answer try
Custom Audio Player in react JS – Volume Control
I am building an custom audio player in React JS, I am current stuck with the volume controls in the audio player Here is my code Progress bar works fine, What should be logic behind the volume control AduioPlayer.js changeRange function : changePlayerCurrentTime function : Answer Audio HTML Elements have a v…
How to get text after the 9th occurrence of a character using javascript?
I got the following string: NPA-Woodburn,OR,Woodburn,OR,97071,Bensenville,IL,60106,150.00,0.00,cash/certified funds,,enclosed,operable,,,,, I need to loop through some rows and sum the 9th text after “,”, but I just can’t get to it. I’ve seen many combinations of solutions, but none ge…