Check out example codes for "submit html". It will help you in understanding the concepts better.
Code Example 1
<input type="submit" value="Submit">
Code Example 2
<button type="submit" form="form1" value="Submit">Submit</button>
Code Example 3
<!-- put this line of code inside of your input -->
onchange="this.form.submit()
<!-- EXAMPLE -->
<input type="checkbox" onchange="this.form.submit()">
Code Example 4
<input type="submit">
Code Example 5
<form action="/action.php">
<label for="fname">First name:</label><br>
<input type="text" id="fname" value="Mike"><br><br>
<label for="lname">Last name:</label><br>
<input type="text" id="lname" value="Walker"><br><br>
<input type="submit" value="Submit">
</form>
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