Category: React

Sometimes, we want to call multiple functions on click with React and JavaScript.

In this article, we’ll look at how to call multiple functions on click with React and JavaScript.

How to call multiple functions on click with React and JavaScript?

To call multiple functions on click with React and JavaScript, we create a function that calls all the functions and use that as the click event handler.

For instance, we write

const App = () => {
  const fun1 = () => {
    console.log("hello");
  };

  const fun2 = () => {
    console.log("world");
  };

  return (
    <div>
      <button
        onClick={() => {
          fun1();
          fun2();
        }}
      >
        Click
      </button>
    </div>
  );
};

to set the onClick prop of the button to a function that calls fun1 and func2 when we click on the button.

Conclusion

To call multiple functions on click with React and JavaScript, we create a function that calls all the functions and use that as the click event handler.

To go back a page with React Router v6, we use the useNavigate hook.

For instance, we write

import { useNavigate } from "react-router-dom";

function App() {
  const navigate = useNavigate();

  return (
    <>
      <button onClick={() => navigate(-1)}>go back</button>
      <button onClick={() => navigate(1)}>go forward</button>
    </>
  );
}

to call useNavigate to return the navigate function.

Then we call navigate with -1 to go back to the previous page.

We can also call navigate with 1 to go to the next page in the history.

Conclusion

To go back a page with React Router v6, we use the useNavigate hook.

Sometimes, we want to add multiple path names for the same component in React Router.

In this article, we’ll look at how to add multiple path names for the same component in React Router.

How to add multiple path names for the same component in React Router v6?

To add multiple path names for the same component in React Router, we can set the element property to the component we want to render.

For instance, we write

import React from "react";
import { BrowserRouter as Router, useRoutes } from "react-router-dom";

const App = () =>
  useRoutes([
    { path: "/home", element: <Home /> },
    { path: "/users", element: <Home /> },
    { path: "/widgets", element: <Home /> },
  ]);

const AppWrapper = () => (
  <Router>
    <App />
  </Router>
);

to render the Home component we navigate to /home, /users, or /widgets by calling the useRoutes hook with an array of routes.

Conclusion

To add multiple path names for the same component in React Router, we can set the element property to the component we want to render.

Sometimes, we want o fix Objects are not valid as a React child. If you meant to render a collection of children, use an array instead with JavaScript.

In this article, we’ll look at how to fix Objects are not valid as a React child. If you meant to render a collection of children, use an array instead with JavaScript.

How to fix Objects are not valid as a React child. If you meant to render a collection of children, use an array instead with JavaScript?

To fix Objects are not valid as a React child. If you meant to render a collection of children, use an array instead with JavaScript, we should make sure we only render valid JSX in our React component.

For instance, we write

export default () => {
  //..
  return (
    <div className="col">
      <h1>Mi Casa</h1>
      <p>This is my house y&apos;all!</p>
      {homes.map((home) => (
        <div>{home.name}</div>
      ))}
    </div>
  );
};

to render elements an an array that returns an array of elements in our component.

We call map with a callback to render the homes array into an array of elements that can be rendered with React.

They’re all valid JSX code so no error will be thrown.

Conclusion

To fix Objects are not valid as a React child. If you meant to render a collection of children, use an array instead with JavaScript, we should make sure we only render valid JSX in our React component.

Sometimes, we want to fix Invalid hook call. Hooks can only be called inside of the body of a function component with React and JavaScript.

in this article, we’ll look at how to fix Invalid hook call. Hooks can only be called inside of the body of a function component with React and JavaScript.

How to fix Invalid hook call. Hooks can only be called inside of the body of a function component with React and JavaScript?

To fix Invalid hook call. Hooks can only be called inside of the body of a function component with React and JavaScript, we should make sure we call hook functions only on the top level of function components.

For instance, we write

export default () => {
  const classes = useStyles();
  return <AllowanceClass classes={classes} />;
};

to call the useStyles hook at the top of the component.

And then we can use its returned value anywhere in the component.

Conclusion

To fix Invalid hook call. Hooks can only be called inside of the body of a function component with React and JavaScript, we should make sure we call hook functions only on the top level of function components.