How to block pre-requests made by browsers for non-simple requests?

< H1 > when the browser makes a non-simple request to the server, there will be an options pre-request. Can this be shielded? < / H1 >

now every time I enter the application, I verify the token and get a new token,. However, due to the pre-request problem, my real post request will be delayed. During this period, the token, has expired, causing the interface in the middle to hang up. Is there any solution

Vue-resource vue.js javascript

Mar.19,2021

turn off CORS if you are of the same origin. The default should be off, the xhr parameter is wrong?
remove unsafe request headers from different sources: https://fetch.spec.whatwg.org.
if you must bring the request header, set the Access-Control-Max-Age higher and cache OPTIONS in advance, then you won't need it later.

https://developer.mozilla.org.

Previous: Vue uses axios to submit post requests

Next: Developers, must developers buy apples? Why do all the people next to me ask me to buy it? is it really that good?

Vue routing login verification problem
home ...

Vue-router vue-resource vue.js javascript

Dec.27,2021