Check out example codes for "search bar html". It will help you in understanding the concepts better.
Code Example 1
<!-- Load icon library -->
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
<!-- The form -->
<form class="example" action="action_page.php">
<input type="text" placeholder="Search.." name="search">
<button
type="submit"><i class="fa fa-search"></i></button>
</form>
Code Example 2
<input type="text" name="search">
Code Example 3
<input type="search">
Code Example 4
<!-- Load icon library -->
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
<!-- The form -->
<form class="example" action="action_page.php">
<input type="text" placeholder="Search.." name="search">
<button
type="submit"><i class="fa fa-search"></i></button>
</form>
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