Basically Progress bar is used to give feedback to the user about the process of work. for create a progress bar in Bootstrap you must add a .progress class to container element and another one is .progress-bar class that is add to its child element. The CSS width property is used to represents the width of the progress bar.
Example of Code
<div class="progress example-progress-bar">
<div class="progress-bar" style="width: 80%;">
<span>80%</span>
</div>
</div>
Output
