Cannot Read Property Of Undefined Reading Then

How to Prevent cannot read property split of undefined

Cannot Read Property Of Undefined Reading Then. All you have to do is to add a return keywork in the getlist before the fetch function so the getlist method can return a. I++) { const obj = test [i] //.

How to Prevent cannot read property split of undefined
How to Prevent cannot read property split of undefined

Web modified 7 years, 2 months ago. Be sure to return the promise from the anonymous function inside getcontacts (): This is caused because of the way that javascript. Var test = [ {'a': Cannot read property 'then' of undefined. First of all, you should wrap your javascript code which access the dom in: It will also cause the cannot read property 'then' of undefined error. The actual problem here is that the this context is not defined in your handlechangeonmonth function. Please see below my code: Web cannot read property `.then` of undefined with axios and react in actions.

Cannot read property 'then' of undefined. Web cannot read property 'then' of undefined. Below is the code for ajax call: All you have to do is to add a return keywork in the getlist before the fetch function so the getlist method can return a. Cannot read property 'then' of undefined. Please see below my code: It will also cause the cannot read property 'then' of undefined error. 'unhandled promise rejection:', 'cannot read properties of undefined (reading 'then')', '; Web cannot read property '.then' of undefined when testing async action creators with redux and react. Cannot read property 'then' of undefined. Cannot read property 'then' of undefined.