这是代码:
function pagechange(frompage, topage) {
var page = document.getElementById('formpage_' + frompage);
if (!page) return false;
page.style.visibility = 'hidden';
page.style.display = 'none';
page = document.getElementById('formpage_' + topage);
if (!page) return false;
page.style.display = 'block';
page.style.visibility = 'visible';
return true;
}
var currentShown = "";
function unhide(rad) {
var id = "answer" + rad.id.replace("-", "");
var answer = document.getElementById(id);
if (answer) {
var current = document.getElementById(currentShown);
if (current) current.className = "hidden";
currentShown = id;
answer.className = "unhidden";
}
}
var score = 0;
function scoreIncrement() {
score++;
document.getElementById("score").innerHTML = score;
}
然后是我的网站页面,其中包含该代码:
http://elearning.easy2dev.com/quiz_template_3.php
[单击John时,分数应增加1,然后在下面显示答案框,但是在JS Fiddle中什么也没有发生。它曾经可以工作,但是我似乎已经以某种方式破坏了它。
如果您将FireFox与FireBug扩展一起使用,则会看到此错误:
illegal character in quiz_t...e_3.php at line 61:
}
-^
引用以下代码:
function scoreIncrement() {
score++;
document.getElementById("score").innerHTML = score;
} // <<-- mysterious zero-length character here
</script>