为什么这个javascript函数没有调用？代码中的错误是什么？ [英] why this javascript function is not calling?what is the error in the code?
本文介绍了为什么这个javascript函数没有调用？代码中的错误是什么？的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Student Enquiry Form</title>
<script type="text/javaScript">
function f1()
{
var name=document.forms["form"]["name"].value;
if(name=="")
{
alert("Please enter your Name");
return false;
}
var num=document.forms["form"]["phone"].value;
if(num=="")
{
alert("Please enter your Mobile number");
return false;
}
var em=document.forms["form"]["email"].value;
if(em=="")
{
alert("Please enter your E-mail Id");
return false;
}
var in=document.forms["form"]["interest"].value;
if(in=="")
{
alert("Please select your preferred course");
return false;
}
var stat=document.forms["form"]["state"].value;
if(stat=="")
{
alert("Please select your state");
return false;
}
var cit=document.forms["form"]["city"].value;
if(cit=="")
{
alert("Please select your city/centre");
return false;
}
return true;
}
</script>
</head>
<body>
<form id="form" name="form" method="post" action="#">
Carrer Guidance Form
<label>Name:</label>
<input type="text" name="name" id="name" />
<label>Mobile No:</label>
<input type="text" name="phone" id="phone" />
<label>Email ID:</label>
<input type="text" name="email" id="email" />
<label>Interested In:</label>
<select name="interest" id="interest">
<option selected="selected" value="">Select Course interested in</option>
<option value="183">B.A. In Airline, Tourism & Hospitality Management</option>
<option value="182">Diploma in Professional In-Flight & Ground Staff Services</option>
<option value="181">Advanced Diploma in Aviation & Tourism</option>
<option value="180">Diploma in Hospitality Management</option>
<option value="64">Bachelor of Business Administration (BBA) - Aviation</option>
<option value="179">Master of Business Administration (MBA) - Aviation</option>
<option value="71">Pilot Training</option>
<option value="72">Professional in Airport Management & Customer Care</option>
<option value="66">Diploma in Airport Management & Customer Care</option>
<option value="60">Aircraft Maintenance Engineering</option>
<option value="61">Aptech certified professional in Cabin Crew Services</option>
<option value="62">Aptech certified professional in Ground Staff Services</option>
<option value="63">Aptech certified professional in Travel & Tourism</option>
<option value="70">Personality Development Course</option>
<option value="291">Event Management</option>
</select>
<label>State:</label>
<select name="state" id="state">
<option selected="selected" value="">Select State</option>
</select>
<label>Preferred City/Centre:</label>
<select name="city" id="city" >
<option value="">Select City/Centre</option>
</select>
By clicking on submit, I allow Aptech Aviation to call me and send program information on email/sms/phone.
<button id="submit" name="submit" önClick="return f1()">submit</button>
</form>
</body>
</html>
推荐答案
简单 - 你太懒了变量名。
获取正确的语法高亮编辑器，查看所有变量名称 - 瞧！其中一个是错误的颜色。解决它，它会触发。
Simple - you've been too lazy with your variable names.
Get a proper syntax-highlighting editor, look at all of your variable names and - voila! One of em is the wrong colour. Fix it, and it fires.
问题
Problem
var in=document.forms["form"]["interest"].value;
if(in=="")
{
alert("Please select your preferred course");
return false;
}
中的不能是变量名。
解决方案
因此，将其改为其他名称，如 interest 。
演示
现在，它正在工作完美。
查看演示 - [Demo]为什么这个javascript函数没有调用？ [ ^ ]。
Here in cannot be a variable name.
Solution
So, change that to some other name like interest.
Demo
Now, it is working perfectly.
Check out the Demo - [Demo] why this javascript function is not calling?[^].
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