我正在参加我的第一堂 JavaScript 类(class)。我做的前两个练习效果很好。然而这个却不是。浏览器中什么都没有显示。这只是一个白页。任何建议将不胜感激。
<!DOCTYPE html PUBLIC "_//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<body>
<script type="text/javascript">
var degFahren = Number(prompt("Enter the degrees Fahrenheit",32));
var degCent;
degCent = 5/9 * (degFahren - 32));
document.write(degFahren + "\xB0 Fahrenheit is " + degCent + "\xB0 centigrade<br />";
if (degCet < 0) { document.write("That's below the freezing point of water");}
if (degCent == 100) { document.write("That's the boiling point of water"); }
</script>
</body>
</html>
最佳答案
这段代码应该可以工作。这些都是容易发现的问题,只需打开您的javascript 控制台(F12),您就会看到有一个额外的)第 8 行有
,第 10 行缺少一行。degCent
上也有拼写错误。
<!DOCTYPE html PUBLIC "_//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<body>
<script type="text/javascript">
var degFahren = Number(prompt("Enter the degrees Fahrenheit",32));
var degCent;
degCent = 5/9 * (degFahren - 32);
document.write(degFahren + "\xB0 Fahrenheit is " + degCent + "\xB0 centigrade<br />");
if (degCent < 0) { document.write("That's below the freezing point of water");}
if (degCent == 100) { document.write("That's the boiling point of water"); }
</script>
</body>
</html>
关于JavaScript 内联代码未显示在浏览器中,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/24618878/