Build a Plant Nursery Catalog - Step 19

JavaScript
1

Tell us what’s happening:

I have looped through each part of catalog and gotten the information to display the names and sizes, only names, and only sizes but I dont know how to complete step 3. I have tried calling keys in different spots but it returns blank. Im not sure how to pass this step

Your code so far

const ballerina = {
    commonName: "Spanish lavender",
    scientificName: "Lavandula stoechas",
    cultivar: "Ballerina"
}

const prettyPolly = {
    commonName: "Spanish lavender",
    scientificName: "Lavandula stoechas",
    cultivar: "Pretty Polly"
}

const willowVale = {
    commonName: "Spanish lavender",
    scientificName: "Lavandula stoechas",
    cultivar: "Willow Vale"
}

const hidcote = {
    commonName: "English lavender",
    scientificName: "Lavandula angustifolia",
    cultivar: "Hidcote"
}

const imperialGem = {
    commonName: "English lavender",
    scientificName: "Lavandula angustifolia",
    cultivar: "Imperial Gem"
}

const royalCrown = {
    commonName: "French lavender",
    scientificName: "Lavandula dentata",
    cultivar: "Royal Crown"
}

const catalog = new Map();
catalog.set(ballerina, { small: 20, medium: 15, large: 12 });
catalog.set(prettyPolly, { small: 31, medium: 14, large: 24 });
catalog.set(willowVale, { small: 3, medium: 5, large: 0 });
catalog.set(hidcote, { small: 33, medium: 13, large: 18 });
catalog.set(imperialGem, { small: 19, medium: 35, large: 28 });
catalog.set(royalCrown, { small: 40, medium: 22, large: 9 });

const removePlant = plant => catalog.delete(plant);

const sellPlants = (plant, size, potsNo) => {
    if (!catalog.has(plant)) return "Item not found.";
    const name = `${plant.scientificName} '${plant.cultivar}'`
    const pots = catalog.get(plant);
    if (pots[size] - potsNo < 0) {
        return `Not enough ${size} size pots for ${name}. Only ${pots[size]} left.`
    }
    pots[size] -= potsNo;
    return `Catalog successfully updated.`
}


// User Editable Region

const displayCatalog = () => {
   catalog.forEach((value, key) => {
    console.log(key, value);
  });
}
displayCatalog();

// User Editable Region

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Challenge Information:

Build a Plant Nursery Catalog - Step 19

2

I do not see a for of loop as requested, maybe you need to try that

3 
const displayCatalog = () => {
    for(let key of catalog.entries()){
        console.log(key)
    }
}
displayCatalog();

I changed it to this it shows all of the entries but doesn’t pass 3 or 4. How would I use keys here?

4

The keys method is directly available on the Map object

you also need to use the mentioned keys method

right now you are not printing only the keys

5

Thank you its always something simple