onclick is not working on input tag

Question

I have a form in which I am trying to validate phone number digit should be atleast 10 digit.

<form name="frm" onsubmit="validate();" method="post" id="callForm">
.....
<input id="submitbtn" value="Call Me!" type="submit" /> 
</form>
<script>
function validate(){
alert("its in function");
}
</script>

I have also tried the same thing with :

<input id="submitbtn" value="Call Me!" type="submit" onclick="return validate();"/>

Answer 1

try this:

.droppbtn span{
    pointer-events: none;
}