Day 6 — declarations, arrows, defaults

Hands-on

Topic 1 Part 1 
function area(length, width) {
  return length * width;
}

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Section 2 Part 2 
console.log(area(10, 5));
console.log(area(7, 3));
console.log(area(15, 4));

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Section 3 Part 3 
const areaArrow = (length, width) => length * width;

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Section 4 Part 4 
console.log(areaArrow(8, 2));

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Section 5 Part 5 
function greet(name = "Guest") {
  return `Hello, ${name}!`;
}

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Section 6 Part 6 
console.log(greet("Priya"));
console.log(greet("Aarav"));
console.log(greet());

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Section 7 Bonus 
// Bonus

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Section 8 Part 8 
console.log(greet(null));

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Section 9 Part 9 
const cToF = celsius => (celsius * 9) / 5 + 32;

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Section 10 Part 10 
console.log(cToF(0));   // 32
console.log(cToF(100)); // 212
console.log(cToF(37));  // 98.6
console.log(cToF(45));  // 113

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Section 11 Part 11 
function double(n) {
  return n * 2;
}

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Section 12 Part 12 
console.log(double(2));
console.log(double(5));
console.log(double(10));

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Section 13 Part 13 
let total = 0;

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Section 14 Part 14 
function addToTotal(n) {
  total += n;
  return total;
}

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Section 15 Part 15 
console.log(addToTotal(5));  // 5
console.log(addToTotal(5));  // 10
console.log(addToTotal(5));  // 15

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