forgot this one

Author: kentcdodds

exercises/04.control-flow/02.problem.switch-statements/index.ts

@@ -12,7 +12,7 @@ const grade: string = 'B'
 // - case 'D': set description to "Needs Improvement"
 // - case 'F': set description to "Failing"
 // - default: set description to "Invalid grade"
-// 💰 Each case should avoid falling through
+// 💰 Each case should avoid falling through (use `break` in each case) by adding a `break` statement
 
 // console.log(`Grade ${grade}: ${description}`)
 

exercises/05.functions/02.problem.parameters/README.mdx

@@ -14,8 +14,4 @@ functions that accept clear inputs and return the right type.
 Return values are already familiar from 5.1—focus on **parameter types** here,
 but keep the return types explicit too.
 
-💰 Use explicit parameter and return types in each function.
-
-💰 Think about how to convert cents to a dollar amount.
-
 📜 [TypeScript Handbook - More on Functions](https://www.typescriptlang.org/docs/handbook/2/functions.html)

exercises/05.functions/04.problem.arrow-functions/index.ts

@@ -18,7 +18,7 @@ function calculateTotal(subtotal: number, taxRate: number): number {
 }
 
 // 🐨 Create an arrow function `isEven` that returns true if a number is even
-// 💰 Short functions can be written more concisely
+// 💰 Short functions can be written more concisely (use `n % 2 === 0`)
 
 // 🐨 Create a function `applyToNumber` that:
 // - Takes a number and a transform function

exercises/05.functions/05.problem.jsdoc/index.ts

@@ -6,7 +6,7 @@
 // - @param tag documenting the `a` parameter
 // - @param tag documenting the `b` parameter
 // - @returns tag documenting what the function returns
-// 💰 Documentation comments have a special format
+// 💰 JSDoc uses a block comment that starts with /**
 function add(a: number, b: number): number {
 	return a + b
 }
@@ -16,7 +16,7 @@ function add(a: number, b: number): number {
 // - @param tag for the `name` parameter
 // - @returns tag
 // - @example tag showing how to use the function
-// 💰 Examples help explain how to use the function
+// 💰 Include an @example block that shows how to call the function
 function greet(name: string): string {
 	return `Hello, ${name}!`
 }
@@ -40,7 +40,7 @@ function calculateCompoundInterest(
 // - Takes a value, min, and max
 // - Returns the value constrained between min and max
 // - Has a complete JSDoc comment with description, @param, @returns, and @example
-// 💰 Keep the value constrained between min and max
+// 💰 Use Math.min/Math.max to keep the value within range
 
 // 🐨 Export your functions so we can verify your work
 // export { add, greet, calculateCompoundInterest, clamp }

exercises/06.void-and-never/01.problem.void-functions/index.ts

@@ -2,12 +2,12 @@
 // Functions that perform side effects return void
 
 // 🐨 Create `logInfo` that takes a message and logs it with "[INFO]" prefix
-// 💰 Functions that don't return values have a special type
+// 💰 Functions that don't return values have a special type: `void`
 
 // 🐨 Create `logError` that takes a message and logs it with "[ERROR]" prefix
 
 // 🐨 Create `logWithTimestamp` that takes a message and logs it with timestamp
-// 💰 Include the current time in the log
+// 💰 Include the current time in the log using `new Date().toISOString()`
 
 // ✅ Test your functions
 // logInfo('Application started')