我的表单上有一个javascript提醒 - http://investing.uglyopportunities.com/opportunity/我的javascript函数正常运行。除了我还希望javascript在用户没有从两个下拉菜单中的任何一个中选择时发出警报。我真的没有很多使用javascript的经验,所以记住这一点!这是我目前的代码。我真的很感激任何帮助
<script type="text/javascript">// <![CDATA[
function validateForm() {
var a = document.forms["myform"]["inf_field_FirstName"].value;
var b = document.forms["myform"]["inf_field_Email"].value;
var c = document.forms["myform"]["inf_field_Phone1"].value;
var e = document.forms["myform"]["inf_field_City"].value;
var f = document.forms["myform"]["inf_field_State"].value;
var g = document.forms["myform"]["inf_field_PostalCode"].value;
if (a == null || a == "" || a == "First Name Here") {
alert("Please enter your First Name!");
return false;
}
if (c == null || c == '' || c == "Enter Your Phone Here" || c.length < 9) {
alert("Please insert your phone number!");
return false;
}
if (e == null || e == '' ||e == "City") {
alert("Please insert your city");
return false;
}
if (f == null || f == '' || f == "State") {
alert("Please insert your state ");
return false;
}
if (g == null || g == '' ||g == "Postal Code" || c.length < 5) {
alert("Please insert your postal code");
return false;
}
var emailRegEx = /^[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,4}$/i;
if (document.myform.inf_field_Email.value.search(emailRegEx) == -1) {
alert("Please enter a valid email address.");
return false;
}
}
// ]]>
</script>
答案 0 :(得分:0)
if(document.getElementById('inf_custom_LevelofInterest').value == '' || document.getElementById('inf_custom_Doyouhavemoneytoinvest').value == ''){
alert('please select ...');
return false;
}