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JavaScript 函数未加载/工作

转载 作者：行者123 更新时间：2023-12-03 12:30:19 25 4
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我对 javascript 很陌生，所以很难看出我哪里出错了。由于某种原因，我的功能无法正常工作。任何帮助，将不胜感激。我尝试在外部 js 文件、头部/主体中使用它们，但似乎没有任何效果。错误要么出在函数上，要么出在调用它们上。 

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"  
 "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">  

<html xmlns="http://www.w3.org/1999/xhtml">

<head>  
<title>Nicky's</title> 
 <meta http-equiv="content-type" 
    content="text/html; charset=iso-8859-1" /> 
<link href="style.css" rel="stylesheet" type="text/css"/>

<script type="text/javascript">

function CheckfName() {
 var name=0;
 var checknames=isNaN(name);

 window.alert("Please use only letters in the name space");
return false; }

function checkc number() {
 var cellN=0;
 var numBercheck=isNan(cellN);

 window.alert("Please use only numbers in the cell number space");
return false }

function confirmBooking() {
 if(document.forms[0].firstName.value==0
   || document.forms[0].lastName.value.value==0) {

 window.alert("Please fill in your First and Last name"); 
return false; }

 if(document.forms[0].firstName.value==""
   || document.forms[0].lastName.value=="") {

 window.alert("Please fill in your  first and last name");
return false; }

else if(document.forms[0].areaCode.value==""
   || document.forms[0].threeMiddlenumbers.value==""
   || document.forms[0].LastfourNumbers.value=="") {

 window.alert("Please enter your cell number.");
return false; }

else if(document.forms[0].hairstyles.value=="Setdefault"
   || document.forms[0]servCes.value=="Setdefault") {

 window.alert("Please select hairstyle type");
return false; } 

else if(document.forms[0].day.value=="SelectDay"
   || document.forms[0].month.value=="SelectMonth" 
   || document.forms[0].time.value=="Selectime") {

 window.alert("Please select the Day, Month and Time!");
return false; }}


function resetBooking() {
 var reset=window.confirm("Are you sure that you want to reset 
                            your booking information?");

 if(reset==true) {
return true;
return false; }}

</script>

</head>

<body>

 <div class="wrapper">
   <div id="header">

   </div>    

<ul id="navlist">
<li><a href="Home.html">Home</a></li>
<li><a href="BookingOrOrder.html">Booking</a></li>
<li><a href="Services.html">Services</a></li>
<li><a href="ContactUs.html">Contact Us</a></li>
</ul> 

  <div id="article">

<form method="get" action="BookingProcessor.html" enctype="application/x-www-form-urlencoded"
  onsubmit="return confirmBooking();" onreset="return resetBooking();">

<p>First Name
 <input type="text" onchange="CheckfName()" name="firstName" maxlength="35" size="35"
   style="margin-left:20px;"/> 
</p>

<p>Last Name
 <input type="text" onchange="CheckfName()" name="lastName" maxlength="35" size="35"
   style="margin-left:28px;"/>
</p>

<p>Cell Number
 <input type="text" onchange="CheckCnumber()" name="areaCode" size="3" maxlength="3"
   style="margin-left:15px;">
 <input type="text" name="threeMiddleNumbers" size="3" onchange="CheckCnumber()" 
   maxlength="3"/> 
 <input type="text" name="LastfourNumbers" size="4" onchange="CheckCnumber()" 
   maxlength="4"/>

<p>Hairstyle Type
 <select name="hairstyles">

<option value="Setdefault">Select Hairstyle</option>
<option value="none">None</option>
<option value="straightBack">Straight back long</option>
<option value="Bondings">Bondings</option>
<option value="hairByhair">Hair by hair</option>
<option value="blowNcut">Blow and Cut</option>
<option value="bopCorn">Bopcorn</option>
<option value="twistLong">Twist Long</option>
<option value="dreadS">Dreads</option>

 </select
 </p>

<select name="day">

<option value="SelectDay">Select Day</option>
<option value="01">01</option>
<option value="02">02</option>
<option value="03">03</option>
<option value="04">04</option>
<option value="05">05</option>
<option value="06">06</option>
<option value="07">07</option>
<option value="08">08</option>
<option value="09">09</option>
<option value="10">10</option>
<option value="11">11</option>
<option value="12">12</option>
<option value="13">13</option>
<option value="14">14</option>
<option value="15">15</option>
<option value="16">16</option>
<option value="17">17</option>
<option value="18">18</option>
<option value="19">19</option>
<option value="20">20</option>
<option value="21">21</option>
<option value="22">22</option>
<option value="23">23</option>
<option value="24">24</option>
<option value="25">25</option>
<option value="26">26</option>
<option value="27">27</option>
<option value="28">28</option>
<option value="29">29</option>
<option value="30">30</option>
<option value="31">31</option>

</select>

<select name="month">

<option value="SelectMonth">Select Month</option>
<option value="January">January</option>
<option value="February">February</option>
<option value="March">March</option>
<option value="April">April</option>
<option value="May">May</option>
<option value="June">June</option>
<option value="July">July</option>
<option value="August">August</option>
<option value="September">September</option>
<option value="October">October</option>
<option value="November">November</option>
<option value="December">December</option>

</select>

<select name="time">

<option value="Selecttime">Select Booking Time</option>
<option value="8to9">Between 8am and 9am</option>
<option value="9to10">Between 9am and 10am</option>
<option value="10to11">Between 10am and 11am</option>
<option value="11to12">Between 11am and 12pm</option>
<option value="12to13">Between 12pm and 13pm</option>
<option value="13to14">Between 13pm and 14pm</option>
<option value="14to15">Between 14pm and 15pm</option>
<option value="15to16">Between 15pm and 16pm</option>
<option value="16to17">Between 16pm and 17pm</option>
<option value="17to18">Between 17pm and 18pm</option>

</select>

<p>If there are any other requirements, please specify in the text area below</p>

<p>
 <textarea name="Requirement" cols="40" rows="3" style="overflow: hidden;">
 </textarea> 
</p>

<p>

<input type="submit" value="Place a Book">
<input type="reset" value="Reset a Form">

    </form>

  </div>

 </div>

</body>

</html>

最佳答案

以下是我发现的一些问题。

function checkNumber() {
 var cellN=0;
 var numBercheck=isNan(cellN);

 window.alert("Please use only numbers in the cell number space");
 return false;
}

使用checkNumber代替“checkc number”，并且return语句后也没有分号

function resetBooking() {
 var reset=window.confirm("Are you sure that you want to reset your booking information?");

 if(reset==true) {
  return true;
 }
 return false;
}

if 语句错误(有 2 个返回值)

关于JavaScript 函数未加载/工作，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/23964090/

25 4 0
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