how to discard changes git code example

Example 1: git discard local changes

# Discarding local changes (permanently) to a file:
git checkout -- <file>

# Discard all local changes to all files permanently:
git reset --hard

Example 2: git discard changes

git checkout .

Example 3: how to remove file changes in git

git clean -df
git checkout -- .

Example 4: git reset one file

git checkout HEAD -- my-file.txt

Example 5: git discard changes

Undoing the changes in the working directory
Use the checkout command in order to checkout the repository’s version.

RUN:
git checkout hello.html