语源科技BlogJava-boaifeihttp://www.blogjava.net/boaifei/zh-cnSun, 12 Apr 2026 06:05:23 GMTSun, 12 Apr 2026 06:05:23 GMT60javascript小代码为什么总不显示结果呢？http://www.blogjava.net/boaifei/archive/2008/08/06/220410.htmlboaifeiboaifeiWed, 06 Aug 2008 04:40:00 GMThttp://www.blogjava.net/boaifei/archive/2008/08/06/220410.htmlhttp://www.blogjava.net/boaifei/comments/220410.htmlhttp://www.blogjava.net/boaifei/archive/2008/08/06/220410.html#Feedback1http://www.blogjava.net/boaifei/comments/commentRss/220410.htmlhttp://www.blogjava.net/boaifei/services/trackbacks/220410.html<html>
<head>
<title>验证</title>
<script language = "JavaScript">
<!--
var i;
var string = prompt("请输入一个字符串！！","string");
function isAllChar(){

for(i = 0 ; i <string.length();i++ )
{
  if(string.charAt(i)>='0' && string.charAt(i) <= '9')
  {alert(string.charAt(i));
  break;
  }
}

if(i >=string.length())
{
 document.write("你输入的是纯字符！！！");
}
else
 document.write("你输入的字符串中含有数字！！");
}
isAllChar();
--></script>
</head>
<body>
</body>
</html>

 



boaifei 2008-08-06 12:40 发表评论
]]>学习javascript的小知识http://www.blogjava.net/boaifei/archive/2008/08/06/220409.htmlboaifeiboaifeiWed, 06 Aug 2008 04:35:00 GMThttp://www.blogjava.net/boaifei/archive/2008/08/06/220409.htmlhttp://www.blogjava.net/boaifei/comments/220409.htmlhttp://www.blogjava.net/boaifei/archive/2008/08/06/220409.html#Feedback0http://www.blogjava.net/boaifei/comments/commentRss/220409.htmlhttp://www.blogjava.net/boaifei/services/trackbacks/220409.html         下面是几种插入javaScript的方法：
                    (1)首席那把javascript代码写到一个文件中，这个文件用.js作为扩展名，
                            在页面中插入的格式为：<script src = "javaScript.js">...</script>
                    (2)在连接中插入javascript语句：<a href = "javascript:<javascript语句>">...</a>
                    (3)在按钮中插入通过：onClick = javaScript 函数名() 来调用。

boaifei 2008-08-06 12:35 发表评论
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