Conditional Rendering in React: Ternary Operators and Short-circuiting
In React, conditional rendering allows you to display content based on the component's execution conditions. Two very common approaches can be used: ternary operators and logical short-circuiting (&& and ||).
Synopsis
In React, you can use the ternary operator or logical short-circuiting to decide what to display based on a condition. This is especially useful when you want to show one component or another without needing a longer `if` block.
- Ternary Operator: A short way to write an `if-else` statement. It's used in the form:
- Short-circuit with AND (&&): Used when you want something to render only if a condition is true.
- *hort-circuit with OR (||): Used to provide a default value when a condition is false.
Purpose
Conditional rendering allows developers to display different views based on certain states, providing a more dynamic and flexible experience in React applications.
- Display conditional content based on states or props.
- Reduce the need for longer `if-else` structures.
- Improve code readability with concise techniques.
Exercises
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