A constructor is a javascript function. The arguments that it takes are positional arguments. That means the values are determined by their position in the argument list and not by their name. Javascript doesn’t have named parameters. The first parameter of the constructor of React.Component is containing the props that where passed to it on … Read more
This probably has to do with linting, Maybe this can help you no-unused-vars You can also disable linting on one line // eslint-disable-next-line no-unused-vars const [edit, setEdit] = useState({…}) solved Turnoff a certain warning in VSCode
Put a as the animal property of call, and b as the mood property of call: call = { animal: A, mood: B }; If the arrays are meant to be of strings, then make sure to put ‘ around each string, like A = [‘cat’, … 0 solved Make two arrays into json data
At first I thought you were mixing up how to use React.createElement, but fundamentally I don’t think that is your issue. The problem arises that Line isn’t a react component that you can create an element from and pass props to. Instead, you need to create a container that you can then render the plot … Read more
By installing react-tether as a dependency of your app, it will override the version in pui-react-overlay-trigger npm install [email protected] –save-exact This made my version work. solved Module not found: Error: Cannot resolve module ‘react-tether’ in [..]/node_modules/pui-react-overlay-trigger
class Menu extends React.Component { render() { // you can use this.props.history anywhere in the class const { history } = this.props; return <AppBar>…</AppBar> } } export default withRouter(Menu); solved React stateless functional component to class Component
This will go in your index.tsx file: const token = localStorage.getItem(‘token’); const PrivateRoute = ({component, isAuthenticated, …rest}: any) => { const routeComponent = (props: any) => ( isAuthenticated ? React.createElement(component, props) : <Redirect to={{pathname: ‘/login’}}/> ); return <Route {…rest} render={routeComponent}/>; }; And use this in the browser router/switch: <PrivateRoute path=”/panel” isAuthenticated={token} component={PrivateContainer} /> solved PrivateRouting … Read more
Try out ! let url = window.location.toString(); window.location = url.replace(/function=login/, ‘/function=userloggedIn/’); solved How can I edit the URL without changing pages?
You have to use .json() not json. class App extends React.Component { constructor() { super() this.state = { robots: [], searchfield: ” } } componentDidMount() { fetch(‘https://jsonplaceholder.typicode.com/users’) .then(response => { return response.json(); }) .then((users) => { this.setState({robots: users}); }) } onSearchChange = (event) => { this.setState({searchfield: event.target.value}); } render() { const filteredRobots = this.state.robots.filter(robot => … Read more
Adding componentWillReceiveProps solve the problem: componentWillReceiveProps(newProps) { this.setState({ dataSource: this.state.dataSource.cloneWithRows(newProps.data), }); } solved ReactJS listView to React Native ListvIew
It depends on what object does onVote event from Poll component pass. But if it’s vote object, that’s required in postPoll method as second arguement, than: function in onVote event should pass poll.id from this component and vote object from Vote component onVote event itself: onVote={(vote) => handalchange(poll.id, vote)} handalchange should fire postPoll api method … Read more
const set1 = { men: {value: ‘men’,label: ‘Men’,type: ‘select’, options: [ { 1: { label: ‘boy’, value_string: ‘1’ } }, { 2: { label: ‘Guy’, value_string: ‘2’ } }, ], }, women: {value: ‘women’,label: ‘Women’,type: ‘select’, options: [ { 1: { label: ‘lady’, value_string: ‘1’ } }, { 2: { label: ‘girl’, value_string: ‘2’ } … Read more
An example value of x[“planeTypeID.code”] is “B734”, of state.day “23-08-2019” => those are 2 different fields => you will get an empty array when you filter by x[“planeTypeID.code”].includes(state.day) ¯\_(ツ)_/¯ After debugging via comments, the most likely solution is: x[“planeTypeID.code”].toLowerCase().includes(action.search || state.search) I recommend to Get Started with Debugging JavaScript as a generic first step to … Read more
I know an answer has been accepted, but it doesn’t actually satisfy the requirements fully, i.e. Each callback should take a single, integer value as a parameter which is the amount to increment the counter’s existing value by. The accepted answer takes the event object as a parameter which is not the specified requirement. The … Read more
This code should work. Use Object.keys and reduce, to map over every value and return the description: const data = { 1: [ {id: 1, description: “teste”, category: 1}, {id: 73, description: “basica tb”, category: 1} ], 2: [ {id: 3, description: “Teoria das ideias”, category: 2} ], 4: [ {id: 5, description: “Mr with … Read more