undo commit
# KEEP CHANGES
git reset --soft HEAD~1
# REMOVE CHANGES
git reset --hard HEAD~1undo commit
# KEEP CHANGES
git reset --soft HEAD~1
# REMOVE CHANGES
git reset --hard HEAD~1git undo commit
# Uncommit the changes
git reset --soft HEAD~1
# Completely delete the changes
git reset --hard HEAD~1after checking out a previous commit go back to latest commit
git checkout <commit hash> # go to previous commit
git revert <commit hash> # revert action of going to previous commitrevert commit git
$ git log --oneline
9ef9173 File with one linebootstrap cdn
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css">bootstrap in javascript
<!-- Button trigger modal -->
<button type="button" class="btn btn-primary" data-toggle="modal" data-target="#exampleModalCenter">
Launch demo modal
</button>
<!-- Modal -->
<div class="modal fade" id="exampleModalCenter" tabindex="-1" role="dialog" aria-labelledby="exampleModalCenterTitle" aria-hidden="true">
<div class="modal-dialog modal-dialog-centered" role="document">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title" id="exampleModalCenterTitle">Modal title</h5>
<button type="button" class="close" data-dismiss="modal" aria-label="Close">
<span aria-hidden="true">×</span>
</button>
</div>
<div class="modal-body">
...
</div>
<div class="modal-footer">
<button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
<button type="button" class="btn btn-primary">Save changes</button>
</div>
</div>
</div>
</div>bootstrap add html
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.1/js/bootstrap.min.js"></script>Copyright © 2021 Codeinu
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