//index.js
let countryNameList = {
"name"=["Bangladesh","India","Australia"]
}//Output Section
let findCountryIndex = awaitDataModel.find({$indexOfArray:{CountryName:"Bangladesh"}})
console.log(findCountryIndex);
//Expecting Output : 0//index.js
let countryNameList = {
"name"=["Bangladesh","India","Australia"]
}//Output Section
let findCountryIndex = awaitDataModel.find({$indexOfArray:{CountryName:"Bangladesh"}})
console.log(findCountryIndex);
//Expecting Output : 0$indexOfArray is a built-in function in MongoDB used for aggregating data.
For a detailed guide on how to use aggregate in mongoose, check out this resource.
If the array consists of ["Bangladesh", "India", "Australia"]
You can try the following approach
await DataModel.aggregate([
{ $indexOfArray: array, "Bangladesh" }
]);
The main idea is that you should be using aggregate method instead of the .find method. The example provided above is just a demonstration.
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