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212What Props Are: Arguments to Components
213Basic Prop Syntax: Passing Values
214Receiving Props: The Props Object
215Curly Braces for Non-String Values
216Accessing Props in the Component
217Props Flow Downward Only
218Multiple Props on One Component
219Props vs Attributes: JSX Transformation
220Passing Variables and Expressions
221Boolean Props: Shorthand Syntax
222Passing Objects and Arrays as Props
223Props Enable Component Reusability
224Props Are Immutable in React
225Why React Enforces Read-Only Props
226The Error When You Try to Mutate Props
227How to 'Change' a Prop Value
228Props vs State: Who Owns the Data
229Shallow Immutability: Objects and Arrays
230Props Read-Only Rule and Pure Components
231Why Pass Functions as Props
232Basic Callback Pattern
233Passing Arguments Through Callbacks
234Inline Arrow Functions vs Stable References
235The onClick={() => func()} Pattern
236Callback Identity and Re-renders
237Event Object in Callbacks
238Multiple Callbacks for Different Actions
239Callbacks vs Lifting State Up
240Destructuring Props in Function Parameters
241Setting Default Values with Destructuring
242Rest Parameters for Remaining Props
243Nested Destructuring for Prop Objects
244Destructuring vs Direct Access Tradeoffs
245Default Values vs Nullish Coalescing
246TypeScript and Prop Destructuring
247Common Destructuring Antipatterns

212What Props Are: Arguments to Components
213Basic Prop Syntax: Passing Values
214Receiving Props: The Props Object
215Curly Braces for Non-String Values
216Accessing Props in the Component
217Props Flow Downward Only
218Multiple Props on One Component
219Props vs Attributes: JSX Transformation
220Passing Variables and Expressions
221Boolean Props: Shorthand Syntax
222Passing Objects and Arrays as Props
223Props Enable Component Reusability
224Props Are Immutable in React
225Why React Enforces Read-Only Props
226The Error When You Try to Mutate Props
227How to 'Change' a Prop Value
228Props vs State: Who Owns the Data
229Shallow Immutability: Objects and Arrays
230Props Read-Only Rule and Pure Components
231Why Pass Functions as Props
232Basic Callback Pattern
233Passing Arguments Through Callbacks
234Inline Arrow Functions vs Stable References
235The onClick={() => func()} Pattern
236Callback Identity and Re-renders
237Event Object in Callbacks
238Multiple Callbacks for Different Actions
239Callbacks vs Lifting State Up
240Destructuring Props in Function Parameters
241Setting Default Values with Destructuring
242Rest Parameters for Remaining Props
243Nested Destructuring for Prop Objects
244Destructuring vs Direct Access Tradeoffs
245Default Values vs Nullish Coalescing
246TypeScript and Prop Destructuring
247Common Destructuring Antipatterns

Lesson 220 of 2,396·7. Props FundamentalsPro lesson

Passing Variables and Expressions

Any JavaScript expression can be a prop value: variables, function calls, ternaries, or complex computations.

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