how to mmake a web page so that only can edit the post and the user can only view it [closed]

I want to built a website with html/css, javascript ,nodejs. such as user should not see any login tab, the user should not see any edit option, he should not view edit page through any url or routes. user can only see what i had shown on website.

and how to see the details that users added in contact us section.

(my login page , blog edit page should be for me only. )