<script type="text/javascript"> function onoff(){ currentvalue = document.getElementById('onoff').value; if(currentvalue === "Off"){ document.getElementById("onoff").value="On"; }else{ document.getElementById("onoff").value="Off"; } } </script> <form action="" method="post"> <input type="button" name="OnOff" value="Off" id="onoff" onclick="onoff();" class="button button2"> </form>
طبعا المفترض يحول بين On و Off لكن بعد وضعه داخل tag form ما يتغير صار ثابت على Off