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[英]Javascript causes crash at start of for-loop before ever looping once
[英]Javascript for-loop not looping
一個常見的問題,但是認真地為什么我的循環不起作用? 我犯了什么錯誤,將不勝感激:)
XML
<?xml version="1.0" encoding="utf-8"?>
<School>
<child>
<name>john</name>
<dob>28-09-2000</dob>
<age>15</age>
<add>jgdkhcjgvbv</add>
<phone>12345678</phone>
</child>
<child>
<name>henry</name>
<dob>19-09-2001</dob>
<age>14</age>
<add>kjdfndsjnlae</add>
<phone>23456789</phone>
</child>
<child>
<name>luke</name>
<dob>27-04-1999</dob>
<age>16</age>
<add>ksmfodnzsksl</add>
<phone>34567890</phone>
</child>
</School>
HTML
<html>
<head>
<script type="text/javascript" >
var xmlObject, docObject, childarray, cname, cdob, cage;
xmlObject = new XMLHttpRequest();
xmlObject.open("GET","school.xml",false);
xmlObject.send();
docObject = xmlObject.responseXML;
childarray=docObject.getElementsByTagName("child");
for (var i = 0; i<childarray.length; i++) {
cname = docObject.getElementsByTagName("name")[i].childNodes[0].nodeValue;
document.write("Name : " + cname + "<BR/>");
cdob = docObject.getElementsByTagName("dob")[i].childNodes[0].nodeValue;
document.write("Dob : " + cdob + "<BR/>");
cage = docObject.getElementsByTagName("age")[i].childNodes[0].nodeValue;
document.write("Age : " + cage + "<BR/>");
cadd = docObject.getElementsByTagName("add")[i].childNodes[0].nodeValue;
document.write("Add : " + cadd + "<BR/>");
cphone = docpb.getElementsByTagName("phone")[i].childNodes[0].nodeValue;
document.write("Phone : " + cphone + "<BR/>");
}
</script>
<title>school</title>
</head>
<body>
</body>
</html>
我想做的是一次打印姓名,姓名,年齡,地址,電話號碼,以供'n'個學生使用。 該代碼僅顯示第一個孩子的詳細信息。
韋爾普
您是否嘗試過在其中添加“ =”
var i = 0; 我<= childarray.length; 我++
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