fetching error

[JustinMartinDev]

Hello,

I'm creating a web app (based on React), this one will display informations about a Jenkins System. Like react is based on NodeJS server i used the node-jenkins-api. I want to get all jobs but i got this error : "Failed to fetch", anyone know why i got this ?
(I had already disable CSRF Protection)

Cross-Filter :

Code to call api :

Response in console :

Response in web app: