Promise vs. Observables with AJAX
Let's see the behavior of Promises and Observables with AJAX, and some useful constructors and operators like fromPromise, toPromise, retry, etc.
AJAX requests
A question that always comes up when discussing using observables to make AJAX requests is: “Why not promises?” As we learned in Creating Observables, a promise represents a
An AJAX request is a single value.
Promises vs. observables
Promises are simpler in concept, but the real world always complicates things. Pretend you’re developing the mobile platform for a ridesharing app. Users will typically use ...