vue.js - Can javascript determine whether a file exists? ? ?

Question

I want to know if javascript can determine whether a file exists based on its address path?
I made a vue dynamic menu. I want to check whether the component component file exists. If it does not exist, I will continue to go out without pushing the route. Is there any way to tell? Not through node, just vue javascript

Answer 1

H5 fileReader

Answer 2

For security reasons, this is not allowed. Otherwise, wouldn’t you feel terrible if your files could be manipulated when you open a web page? ?

Answer 3

How do you read files without going through node?

Answer 4

You need to use node to read the file, the api has

Answer 5

Can I send a request to the backend?