📄 chap2-8.htm
字号:
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>取得字符的ASCII码值</title>
</head>
<body bgcolor="#FFCCCC">
<SCRIPT LANGUAGE="JavaScript">
<!--
function showAsc(){
var character = document.CodeForm.character.value.substring(0,1);
var code = document.CodeForm.character.value.charCodeAt(0);
var msg = "这个字符'"+character+"'的ASCII码是:"+code+".";
alert(msg);
}
-->
</script>
<form name="CodeForm">
<center>请输入字符:
<input type="text" name="character" size="15">
<input type="button" value="ASCII码值" onClick="showAsc();">
</center>
</form>
</body>
</html>
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