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Category: Questions

Does the event `invalid` only fire once?

I tried to hook into the invalid event for numeric input (which is required), and while the invalid event fires right on loading the page (as all the cells are empty), it does not refire if one fills an input field and removes its content or inputs a letter instead of a number. But I could not find anything indicating

How to fix this error (querySelector is used): Cannot read properties of undefined (reading ‘style’) at showSlides

I am unable to resolve this error; I’ve been “fighting” to solve it for two days. This is the error: 215: Uncaught TypeError: Cannot read properties of undefined (reading ‘style’) at showSlides I would not like there to be some setup problem regarding the querySelector or the function call. I need your help, help me please! Answer showSlides runs before

Maximum update depth exceeded from Navigate component react-router-dom v6

I’m using react-router-dom v6 to control the route of my React Js app. Here are the specifications: I’m creating the AuthenticationRoute and PrivateRoute components. The AuthenticationRoute component is used to wrap pages that the user doesn’t need to authenticate for examples SignIn, SignUp, ForgotPassword, and ResetPassword pages. The PrivateRoute component is used to wrap private pages (authentication is needed) for

How to get the position data from the joystick to the flask server?

I would like to get the position data from the js joystick o use it at the flask server. I tried using ajax: python: @app.route(‘/test’, methods=[‘GET’, ‘POST’]) def test_ajax(): Every time the position of the joystick changed I would like to send the position data to flask Answer You can simply use the callback function to send the joystick data.

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