You can sort a JSON object array in JavaScript based on its alphanumeric key attribute by using the sort()
method in combination with a custom comparison function.
Here's an example code snippet:
const jsonArray = [
{ key: "ab123" },
{ key: "cd25" },
{ key: "ef789" }
];
jsonArray.sort((a, b) => {
if (a.key < b.key) {
return -1;
}
if (a.key > b.key) {
return 1;
}
return 0;
});
In this example, the jsonArray
object array is sorted based on the key
attribute in an alphanumeric order. The sort()
method takes a comparison function as a parameter, which compares the key
attribute values of each object.
The comparison function checks the key
value of a
against the key
value of b
. If a.key
is less than b.key
, it returns -1, which indicates that a
comes before b
in the sorted array. If a.key
is greater than b.key
, it returns 1, which indicates that b
comes before a
in the sorted array. If a.key
is equal to b.key
, it returns 0, which indicates that both objects are equal and can be placed in any order.
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Asked: 2023-07-16 05:51:52 +0000
Seen: 10 times
Last updated: Jul 16 '23
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