编写了一个函数,用于循环浏览在线测验中的问题。我在除 IE 之外的所有浏览器中都能正常工作(天哪,我希望 IE 会卷曲而死)。功能如下。
function cycleQs() {
var qs = document.getElementsByName("quizQ");
var nextQBtn = document.getElementById("btnNextQ");
var i = 0;
var curQ = -1;
for (i = 0; i < qs.length; i++) {
if (qs[i].style.display == "block") {
curQ = i;
}
//qs[i].style.display = "none";
}
var valid = false;
if (curQ > -1) {
var qId = qs[curQ].id.replace("dv", "");
var inps = document.getElementsByName(qId);
if (inps.length > 0) {
if (inps[0].type == "radio") {
for (i = 0; i < inps.length; i++) {
if (inps[i].checked) {
valid = true;
}
}
} else if (inps[0].type == "hidden") {
valid = true;
for (i = 0; i < inps.length; i++) {
if (inps[i].value <= 0) {
valid = false;
}
}
}
} else {
valid = true;
}
} else {
valid = true;
}
if (valid == true) {
for (i = 0; i < qs.length; i++) {
qs[i].style.display = "none";
}
if (curQ < (qs.length - 1)) {
qs[curQ + 1].style.display = "block";
if (curQ == (qs.length - 2)) {
var scoreDv = document.getElementById("dvScore");
nextQBtn.style.display = "none";
var answers = getAnswers();
//alert(answers)
scoreDv.innerHTML = "Processing";
processResults(answers);
}
} else {
qs[0].style.display = "block"; // Problem occurs here when function first loads
}
} else {
alert("You must select an answer before you can proceed");
}
}
有什么想法可以解决这个问题吗?