html button form submit code example

Example 1: html submit button

<input type="submit" value="Submit">

Example 2: submit button

<button type="submit" form="form1" value="Submit">Submit</button>

Example 3: add submit to input

<!-- put this line of code inside of your input -->
 onchange="this.form.submit()

<!-- EXAMPLE -->

      <input type="checkbox" onchange="this.form.submit()">