Iterating through an array of objects using for each or for in

Chidexebere

Please how do one iterate over a array of object like using "for each" or "for in or is there another way

{
    "cards": [
        {
            "des": "Lorem ipsum dolor sit amet, consectetur adipiscing elit. Proin ut diam ac felis placerat consequat in vitae justo. Curabitur porta et dolor ac. Morbi quis elementum ipsum",
            "cardName": "Aenean nec sem vestibulum",
            "imgSrc": "Layer1.png",
            "id": 1
        },
        {
            "des": "Lorem ipsum dolor sit amet, consectetur adipiscing elit. Proin ut diam ac felis placerat consequat in vitae justo. Curabitur porta et dolor ac. Morbi quis elementum ipsum",
            "cardName": "Aenean nec sem vestibulum",
            "imgSrc": "tom-jagger.jpg",
            "id": 2
        },
        {
            "des": "Lorem ipsum dolor sit amet, consectetur adipiscing elit. Proin ut diam ac felis placerat consequat in vitae justo. Curabitur porta et dolor ac. Morbi quis elementum ipsum",
            "cardName": "Aenean nec sem vestibulum",
            "imgSrc": "Layer3.png",
            "id": 3
        }
    ]
}

i need the output to be each object in the array Also lets say i want to do the iteration using the "id" parameter. how do i do this

Dacre Denny

You have a number of options availbe to you for iterating (looping) through data like this. The more common methods would be:

Iteration via Array#forEach():

data.cards.forEach(function(card) {
  console.log(card);
});

Iteration via an iterator using the for-of construct:

for(const card of data.cards) {
  console.log(card);
};

Iteration via an iterator using the for-in construct:

for(const key in data.cards) {
  const value = data.cards[key];
  console.log(value);
};

Here is a working snippet showing these in action:

var data = {
    "cards": [
        {
            "des": "Lorem ipsum dolor sit amet, consectetur adipiscing elit. Proin ut diam ac felis placerat consequat in vitae justo. Curabitur porta et dolor ac. Morbi quis elementum ipsum",
            "cardName": "Aenean nec sem vestibulum",
            "imgSrc": "Layer1.png",
            "id": 1
        },
        {
            "des": "Lorem ipsum dolor sit amet, consectetur adipiscing elit. Proin ut diam ac felis placerat consequat in vitae justo. Curabitur porta et dolor ac. Morbi quis elementum ipsum",
            "cardName": "Aenean nec sem vestibulum",
            "imgSrc": "tom-jagger.jpg",
            "id": 2
        },
        {
            "des": "Lorem ipsum dolor sit amet, consectetur adipiscing elit. Proin ut diam ac felis placerat consequat in vitae justo. Curabitur porta et dolor ac. Morbi quis elementum ipsum",
            "cardName": "Aenean nec sem vestibulum",
            "imgSrc": "Layer3.png",
            "id": 3
        }
    ]
};

// Array.forEach method
data.cards.forEach(function(card) {
  console.log(card);
});

// for-of loop
for(const card of data.cards) {
  console.log(card);
};

// for-in loop
for(const key in data.cards) {
  const value = data.cards[key];
  console.log(value);
};

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