Conditional Rendering in ReactJS

Conditional rendering in ReactJS refers to the ability to render different components or content based on certain conditions. This is often used when building dynamic and interactive user interfaces.

There are a few ways to implement conditional rendering in ReactJS:

  1. If/Else Statements:
  2. Ternary Operators:
  3. && Operator:

If/Else Statements

You can use traditional if/else statements to conditionally render components.

For example:

render() {
  if (this.state.isLoggedIn) {
    return <UserDashboard />;
  } else {
    return <LoginForm />;
  }
}

Ternary Operators

You can use a ternary operator to simplify if/else statements.

For example:

render() {
  return (
    <div>
      {this.state.isLoggedIn ? (
        <UserDashboard />
      ) : (
        <LoginForm />
      )}
    </div>
  );
}

&& Operator

You can use the && operator to conditionally render a component.

For example:

render() {
  return (
    <div>
      {this.state.isLoggedIn && <UserDashboard />}
      {!this.state.isLoggedIn && <LoginForm />}
    </div>
  );
}

All of these methods allow you to conditionally render components based on the state or props of your React components. Choose the method that works best for your specific use case.

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