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Tag: javascript

Jest expect to array contains element

Let’s suppose that I have the following code: And I want to check if id is in arrayOfIds Something like this How can I do this with Jest? Answer Use .toContain when you want to check that an item is in an array. For testing the items in the array, this uses ===, a strict equality check.

Save FormData to Indexdb

The below code is what take final action to save the data to the target DB. Now I am building an offline app, where when no internet is available I would like to save this request to indexdb. I have the whole setup. All I want to know how can I save a FormData instance to indexdb so that I