JSFiddle - React, Tailwind, and code Playground

HTML

<div id="content"> </div>

<br />


    <form name="input1" id="form45" class="ajax" action="" method="POST">
    <input type="text" size=10 name="startTime_hr1" value="6">
    <input type="text" size=10 name="startTime_mins1" value="15">
    <input type="submit" value="Update1">
    </form> 
  
  
  
    <form name="input2" id="form47" class="ajax" action="" method="POST" >
    <input type="text" size=10 name="startTime_hr2" value="6">
    <input type="text" size=10 name="startTime_mins2" value="15">
    <input type="submit" value="Update2">
    </form> 
  
  </body>

JavaScript

$('#submit').click(function() {
    $('#form2,#form1,#form3').submit();
});