For this, use map() along with find(). Following is the code −
Example
var details1 = [ { productDetails: { isSold: true, productId:101 } }, { productDetails: { isSold: true, productId:103 } } ] var details2 = [ { productDetails: { isSold: false, productId:101 } } ] var details3 = details1.map(details1Object=>{ var newObject= details2.find(obj=>obj.productDetails.productId === details1Object.productDetails.productId) return newObject? newObject : details1Object }) console.log(details3)
To run the above program, you need to use the following command −
node fileName.js.
Here, my file name is demo183.js.
Output
This will produce the following output −
PS C:\Users\Amit\javascript-code> node demo183.js [ { productDetails: { isSold: false, productId: 101 } }, { productDetails: { isSold: true, productId: 103 } } ]