因此,我希望人们输入的任何颜色(红色、蓝色或绿色)成为显示在第三个提示中的 document.write 语句周围的边框颜色。
我知道我可以在没有函数的情况下在 Body 中执行此操作,但我想知道在 thirdPrompt 发生后是否有任何方法可以让它工作。谢谢!
<style type = "text/css">
div.red {border-style:solid;border-width:1em; border-color:red; padding:1em;}
div.blue {border-style:solid;border-width:1em; border-color:blue; padding:1em;}
div.green {border-style:solid;border-width:1em; border-color:green; padding:1em;}
div.black {border-style:solid;border-width:1em; border-color:black; padding:1em;}
</head>
</style>
<script language="javascript" type="text/javascript">
function firstPrompt()
{
document.bgColor=('gray')
var background
{
borderColor = window.prompt ("Please enter the border color you want: red, green, or blue.");
if (borderColor == "red" || borderColor == "green" || borderColor == "blue")
{
enterWord = window.prompt ("Enter a word in the text field, all alphabetic characters.");
secondPrompt();
}
else
{
window.alert ("You didn't enter a valid color (red, green, blue), border color will be black!");
borderColor = ('black');
enterWord = window.prompt ("Enter a word in the text field, all alphabetic characters.");
secondPrompt();
}
}
}
function secondPrompt()
{
if (/[^0-9A-Z" "]/.test(enterWord))
{
enterLetter = window.prompt ("Enter a letter in the text field below.")
findVowels();
}
else
{
window.alert ("Sorry you entered an invalid word (" + enterWord + ") please re-enter!");
enterWord = window.prompt ("Enter a word in the text field, all alphabetic characters.");
secondPrompt();
}
}
function findVowels()
{
totalVowels = 0;
for (i = 0; i < enterWord.length; i++)
{
if (enterWord.charAt(i).match(/[a-z]/) !=null)
{
if (enterWord.charAt(i).match (/[aeiou]/))
{
totalVowels++;
}
}
}
thirdPrompt();
return totalVowels;
}
function thirdPrompt()
{
if (/[^0-9A-Z" "]/.test(enterLetter) && (enterLetter.length < 2))
{
document.write("<div class = "+borderColor+">");
document.write ("<h2>Word Checker</h2>");
document.write ("<h2>" + Date() + "</h2>");
document.write ("<br />" + "The word you entered was "+ "<strong>" + enterWord + "</strong>" + ". <br/>");
document.write ("It contains " + enterWord.length + " character(s)." + "<br/>");
document.write ("It contains " + totalVowels + " vowel(s)." + "<br />");
document.write ("String '" + enterWord + "' contains the letter '" + enterLetter + "' at position ");
document.write('</div>');
document.bgColor = ("gray");
}
else
{
window.alert ("You entered an invalid character (" + enterLetter + ") please re-enter");
secondPrompt();
}
}
</script>
<body onload = "firstPrompt();">
<h2>
Word Checker
</h2>
</body>
</html>