📄 array.html
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<!--Array.html文件代码-->
<html>
<head>
<title>Array对象使用示例</title>
<script language="JavaScript">
function Student(Name,StuNum,Age){
this.name = Name
this.stunum = StuNum
this.age = Age
this.showStuInfo = showStuInfo
}
function showStuInfo(Name){
document.StuForm.StuName.value = Name
document.StuForm.StuNum.value = this.stunum
document.StuForm.StuAge.value = this.age
}
function displayArray(arr){
document.writeln(" ")
document.writeln("数组共有 "+arr.length+" 个元素，分别为："+arr.join())
document.writeln("<br>")
}
</script>
</head>
<body>
<script language="JavaScript">
var Students=new Array() //创建数组
//创建数组内的对象并赋初值
Students[0]=new Student("Mike","s001",20)
Students[1]=new Student("Jenny","s002",21)
Students[2]=new Student("Emma","s003",20)
var Students2=new Array()
Students2[0]="Michale"
Students2[1]="Ben"
Students2[2]="Paul"
Students2[3]="Cherry"
</script>
<br>
<center>
<h2>Array对象的创建和使用示例</h2>
<br>
<font color="#660033" size="4">
点击下面的按钮，选择要查看的学生信息
</font>
<br><br>
<input type="button" value="Mike" onClick="Students[0].showStuInfo('Mike')">
<input type="button" value="Jenny" onClick="Students[1].showStuInfo('Jenny')">
<input type="button" value="Emma" onClick="Students[2].showStuInfo('Emma')">
<br>
<form name="StuForm">
姓名：<input type="text" name="StuName"><br>
学号：<input type="text" name="StuNum"><br>
年龄：<input type="text" name="StuAge">
</form>
</center>
<hr size="1">
<br><br>
<h2 align="center">Array对象的常用属性和方法使用示例</h2>
<h3>
<script language="javascript">
document.writeln("使用length属性和join()方法: <br>")
displayArray(Students2)
document.writeln("<br>")
document.writeln("调用reverse()方法: <br>")
Students2.reverse()
displayArray(Students2)
document.writeln("<br>")
document.writeln("调用sort()方法: <br>")
Students2.sort()
displayArray(Students2)
document.writeln("<br>")
</script>
</h3>
</body>
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