我标记了第三个 console.log - “console.log(elements[i])”。在这一点上,elements[i] 是未定义的,但在此之前它的行为符合预期。任何想法如何/为什么会发生这种情况?
function get_all_tasks_within_div(div_id) {
var options = []
var checked_options = []
var elements = document.getElementById(div_id).querySelectorAll('*');
for (i = 0; i < elements.length; i++) {
if (elements[i].getAttribute("name") == "task") {
options.push(elements[i].value)
if (elements[i].checked == true) {
checked_options.push(elements[i].value)
}
}
}
return [options, checked_options]
}
function create_exhibits_list(deliverable_id) {
exhibits[deliverable_id] = []
var elements = document.getElementsByName("exhibit")
//get all exibits and sort
for (i = 0; i < elements.length; i++) {
try {
console.log(elements[i])
var element_id = elements[i].id;
var exhibit_number = document.getElementById(element_id + "exhibit_number").value;
var exhibit_name = document.getElementById(element_id + "exhibit_name").value;
var responsible_party = document.getElementById(element_id + "responsible_party").value;
var deliverable_type = document.getElementById(element_id + "type").value;
var deliverable_type_options = Array.apply(null, document.getElementById(element_id + "type").options).map(function(el) {
return el.value;
});
var responsible_party_options = Array.apply(null, document.getElementById(element_id + "responsible_party").options).map(function(el) {
return el.value;
});
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