Cape Town | 25-ITP-MAY | Asanda Dunn | Sprint 3 | JavaScript Fundamentals - #1603
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cjyuan
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| function capitalise(str) { | ||
| str = `${str[0].toUpperCase()}${str.slice(1)}`; | ||
| return str; | ||
| } |
Contributor
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The alternatives of reassigning the function parameters are:
- Use a separate
constvariable - Return the value of the expression directly
Suggestion: Use AI to explore the trade-off of these approaches.
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| // b) What is the value assigned to num when pad is called for the first time? | ||
| // =============> write your answer here | ||
| // 1 | ||
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| // c) What is the return value of pad when it is called for the first time? | ||
| // =============> write your answer here | ||
| // "01" |
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In the expression `${pad(totalHours)}:${pad(remainingMinutes)}:${pad(remainingSeconds)}`, which pad() is called first?
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My understanding is that JavaScript evaluates the expressions from left to right so inn this instance totalHours is called first
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Your understand is correct. The next question is, what's the value of totalHours?
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Self checklist
Task code
CYF-1053
Changelist
Completed JavaScript error prediction and debugging exercises.
Identified and fixed syntax, scope, redeclaration, parameter, and return statement errors.
Implemented reusable functions for:
Calculating BMI
Converting strings to UPPER_SNAKE_CASE
Converting pence to pounds
Practised function parameters, return values, and function calls.