html:
<form method="post" name="callForm" id="callForm">
<input name="callee" type="text" onkeypress="if(event.keyCode==13){javascript:onSubmit()}" value="input the callee's sip uri here" maxlength="100" size="50"/>
<input type="button" name="button" style="visibility:hidden;" id="button" onclick="alert('hello');你的ajx方法" value="button"/>
</form>
javascript:
function onSubmit() {
var button=document.callForm.button;
alert(button.value);
button.click();
}
<form method="post" name="callForm" id="callForm">
<input name="callee" type="text" onkeypress="if(event.keyCode==13){javascript:onSubmit()}" value="input the callee's sip uri here" maxlength="100" size="50"/>
<input type="button" name="button" style="visibility:hidden;" id="button" onclick="alert('hello');你的ajx方法" value="button"/>
</form>
javascript:
function onSubmit() {
var button=document.callForm.button;
alert(button.value);
button.click();
}