I am curious if it is possible to arrange the keys in a JSON object as an array based on their values.
Here is the JSON object:
{
"p1": {
"name": "*****",
"age": "18"
},
"p2": {
"name": "*****",
"age": "14"
},
"p3": {
"name": "*****",
"age": "24"
}
}
I want to sort them in ascending order by the value of the subkey "age," like this:
["p2", "p1", "p3"]I haven't attempted anything yet because I'm not sure how. Could someone provide me with an example?
To organize the data based on their age properties, you can utilize the Object.keys method:
const information = { "person1": { "name": "*****", "age": "18" }, "person2": { "name": "*****", "age": "14" }, "person3": { "name": "*****", "age": "24" }}
const sortedDataByAge = Object.keys(information).sort((x, y) => information[x].age - information[y].age)
console.log(sortedDataByAge)If the code snippet seems complex:
Object.keys generates an array with the object's keyssort function has a callback with two parameters; if the result is positive, then x is greater, and if negative, then y is greaterTo achieve this, you can make use of the <Object> method called #keys.
const objDetails = {
"p1": {
"name": "Jane Doe",
"age": "28"
},
"p4": {
"name": "John Smith",
"age": "32"
},
"p7": {
"name": "Alice Johnson",
"age": "22"
}
}
const keysArr = Object.keys(objDetails);
// Next, sort the keys
const sortedKeys = keysArr.sort((x, y) => parseInt(objDetails[x].age) - parseInt(objDetails[y].age));
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