Here is an example of a JSON variable:
{"events": [
{"event_id": "1", "event_name": "Breakfast"},
{"event_id": "1", "event_name": "Calling Bob"}
]}
My goal is to add another attribute to each event using JavaScript, resulting in the following format:
{"events": [
{"event_id": "1", "event_name": "Breakfast", "event_type": "calendar"},
{"event_id": "1", "event_name": "Calling Bob", "event_type": "calendar"}
]}
Assuming you have
let data = {"items": [....
You can simply do
for (let i = 0; i < data.items.length; ++i)
data.items[i].item_type = "list";
Alternatively, for better performance:
for (let i = 0, length = data.items.length; i < length; ++i)
data.items[i].item_type = "list";
Begin by transforming it into an Object:
let newObj = JSON.parse(stringifiedData);
for(let j = 0; j < newObj.entries.length; ++ j)
newObj.entries[j].entry_type = "diary";
stringifiedData = JSON.stringify(newObj);
let myJson = {"activities": [
{"activity_id": "22", "activity_name": "Morning Run"},
{"activity_id": "43", "activity_name": "Meeting Sarah"}
]};
for(let activityKey in myJson.activities) {
myJson.activities[activityKey]['activity_type'] = 'exercise';
}
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