Javascript 数组警报
时间：2023-10-01
本文介绍了Javascript 数组警报的处理方法，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跟版网的小编来一起学习吧！
问题描述
我是 Javascript 新手.
Im new to Javascript.
我正在尝试编写这四个按钮.我目前在做第二个.我编写了一个数组.但是当我点击按钮时，它会替换页面.我想在警告框中显示数组.
Im trying to code these four buttons. I'm currently on the second one. I've coded an array. But when I click on the button, it replaces the page. I want to display the array in an alert box.
<html>
<head>
<script type="text/javascript">
function SayHello()
{
alert("Hello World!");
}
function DumpCustomers()
{
var aCustomers=new Array();
aCustomers[0]="Frank Sinatra ";
aCustomers[1]="Bob Villa ";
aCustomers[2]="Kurt Cobain ";
aCustomers[3]="Tom Cruise ";
aCustomers[4]="Tim Robbins ";
aCustomers[5]="Santa Claus ";
aCustomers[6]="Easter Bunny ";
aCustomers[7]="Clark Kent ";
aCustomers[8]="Marry Poppins ";
aCustomers[9]="John Wayne ";
document.write(aCustomers[0]);
document.write(aCustomers[1]);
document.write(aCustomers[2]);
document.write(aCustomers[3]);
document.write(aCustomers[4]);
document.write(aCustomers[5]);
document.write(aCustomers[6]);
document.write(aCustomers[7]);
document.write(aCustomers[8]);
document.write(aCustomers[9]);
}
function DisplayFishCounts()
{
}
function FindJonGalt()
{
}
</script>
</head>
<body>
<form name="Main">
<input type="button" id=1 onclick="SayHello();" value="Say Hi"/>
<input type="button" id=1 onclick="DumpCustomers();" value="Dump Customers"/>
<input type="button" id=1 onclick="DisplayFishCounts();" value="Display Fish Counts"/>
<input type="button" id=1 onclick="FindJonGalt();" value="Where is Jon Galt?"/>
</form>
</body>
</html>
推荐答案
如果想把数组看成数组，可以说
If you want to see the array as an array, you can say
alert(JSON.stringify(aCustomers));
而不是所有那些 document.writes.
http://jsfiddle.net/5b2eb/
但是，如果您想在弹出窗口中清晰地显示它们，每行一个，请执行以下操作:
However, if you want to display them cleanly, one per line, in your popup, do this:
alert(aCustomers.join("
"));
http://jsfiddle.net/5b2eb/1/
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