Nested conditional rendering can be achieved within the return statement in React by using ternary operators and curly braces to create blocks of JSX code.
Here's an example of nested conditional rendering in React:
return (
<div>
{isLoggedIn ? (
<p>Welcome back!</p>
) : (
<div>
<p>Please log in.</p>
<form>
<input type="text" placeholder="Username" />
<input type="password" placeholder="Password" />
{showForgotPassword ? (
<p>Forgot password?</p>
) : (
<button>Login</button>
)}
</form>
</div>
)}
</div>
);
In this example, there are two levels of nested conditions: one for determining whether the user is logged in, and another for showing or hiding the "Forgot password?" message. Each condition is evaluated using a ternary operator, and the resulting JSX is wrapped in curly braces to create an expression that can be rendered within the parent component.
By using nested conditional rendering in this way, we can create dynamic components that adapt to different user states and actions.
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Asked: 2023-06-18 19:54:44 +0000
Seen: 8 times
Last updated: Jun 18 '23
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