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入力文から情報を出力する必要があります。私が1人の著者を得たとき、それは働く。私は著者を追加すると、それは私に両方の姓を与えるので、その罰金。私は第3著者を追加して、最初の著者の姓と3番目の著者の姓を二度与えます。それは私に最初の著者、2番目の著者、3番目の著者の姓を与えることになっています。 問題は、私が3人の著者を迎えたとき、最初の人物ではなく、3人目の人物の2人の人物をすべて私に渡すべきです。if文の値
<!DOCTYPE HTML>
<html lang='pl'>
<head>
<meta charset='utf-8'>
<meta name='viewport' content='width=device-width, initial-scale=1, maximum-scale=1'>
<title>Robot naukowy</title>
<link rel='stylesheet' href='css/style.css'>
<!-- dynamic form - script -->
<script type="text/javascript">
window.onload = Load;
var numberOfAuthors = 0;
function Load()
{
document.getElementById('add_input').onclick = AddElement;
}
function AddElement()
{
var element1 = document.createElement('input');
var element2 = document.createElement('input');
var element3 = document.createElement('input');
var label1 = document.createElement('label');
var label2 = document.createElement('label');
var label3 = document.createElement('label');
var button = document.createElement('input');
var number = numberOfAuthors;
label1.innerHTML = "</br>Next Author's Name "+"</br>";
label1.setAttribute('id', 'authorNameLabel' + number);
element1.setAttribute('type', 'text');
element1.setAttribute('id', 'authorName' + number);
element1.setAttribute('placeholder', "author's name");
label1.appendChild(element1);
label2.innerHTML = "</br>Next Author's Initials " + "</br>";
label2.setAttribute('id', 'authorInitialsLabel' + number);
element2.setAttribute('type', 'text');
element2.setAttribute('id', 'authorInitials' + number);
element2.setAttribute('placeholder', "Author's Initials...");
label2.appendChild(element2);
label3.innerHTML = "</br>Next Author's surname" + '</br>';
label3.setAttribute('id', 'authorSurnameLabel' + number);
element3.setAttribute('type', 'text');
element3.setAttribute('id', 'authorSurname' + number);
element3.setAttribute('placeholder', "Author's surname...");
label3.appendChild(element3);
button.setAttribute('onclick', 'removeAuthor(' + number + ')');
button.setAttribute('type', 'button');
button.setAttribute('id', 'removeAuthorButton' + number);
button.setAttribute('value', 'Button');
document.forms['add_file'].appendChild(label1);
document.forms['add_file'].appendChild(label2);
document.forms['add_file'].appendChild(label3);
document.forms['add_file'].appendChild(button);
numberOfAuthors++;
}
function removeELement(id) {
var elem = document.getElementById(id);
return elem.parentNode.removeChild(elem);
}
function removeAuthor(authorId){
removeELement("authorName"+authorId);
removeELement("authorInitials"+authorId);
removeELement("authorSurname"+authorId);
removeELement("removeAuthorButton"+authorId);
removeELement("authorNameLabel"+authorId);
removeELement("authorInitialsLabel"+authorId);
removeELement("authorSurnameLabel"+authorId);
numberOfAuthors--;
getText();
}
function getText(){
console.log(numberOfAuthors);
var div = document.getElementById("readyorder");
var firstAuthorName = document.getElementById("firstAuthorName");
var firstAuthorInitials = document.getElementById("firstAuthorInitials");
var firstAuthorSurname = document.getElementById("firstAuthorSurname");
// var secondAuthorSurname =
var authorSurname
for(var authorId = 0 ; authorId < numberOfAuthors ; authorId++){
var authorName = document.getElementById("authorName"+authorId);
var authorInitials = document.getElementById("authorInitials" + authorId);
authorSurname = document.getElementById("authorSurname" + authorId);
}
var publisher = document.getElementById("publisher");
var page = document.getElementById("page");
var pageOther = document.getElementById("pageOther");
var pageOtherValue = pageOther.value;
if(pageOther.value!=""){
pageOtherValue = "-" + pageOther.value;
}else{
pageOtherValue = "";
}
var year = document.getElementById("year");
var secondAuthorSurname;
if(authorId === 0) {
div.innerHTML = firstAuthorSurname.value + " (" + year.value + ", s."+page.value + pageOtherValue;
}
else if (authorId === 1) {
div.innerHTML = firstAuthorSurname.value + " and " + authorSurname.value + " (" + year.value + ") ";
//secondAuthorSurname = authorSurname.value;
}
else if (authorId === 2) {
div.innerHTML = firstAuthorSurname.value + ", " + authorSurname.value + " and " + authorSurname.value + " (" + year.value + ") ";
}
}
function handlePages(){
var cboxPageRange = document.getElementById("cboxPageRange");
if (cboxPageRange.checked){
var pageOther = document.getElementById("pageOther");
pageOther.style.display="block";
}else{
var pageOther = document.getElementById("pageOther");
pageOther.style.display="none";
pageOther.value="";
getText();
}
}
</script>
</head>
<body>
<div class='container'>
<!-- header -->
<header>
<img src="images/header.jpg" alt=""/>
</header>
<!-- static form 1 -->
First Author's Name <br />
<input type="text" id="firstAuthorName" /> <br />
First Author's Initials <br />
<input type="text" id="firstAuthorInitials" /> <br />
First Author's Surname <br />
<input type="text" id="firstAuthorSurname" /> <br />
<!-- dynamic form -->
<input type="submit" value="Add author" id="add_input" />
<form name="add_file" enctype="multipart/form-data" method="post">
</form>
<div id="readyorder"></div><br/>
<!-- static form 2 -->
Publisher<br />
<input type="text" id="publisher"><br />
Page<br />
<input type="text" id="page">
<input type="checkbox" id="cboxPageRange" value="pageRangeCheckbox" onclick="handlePages()">
<input type="text" id="pageOther" class="pageOther">
<br>
Year<br>
<input type="text" id="year"><br/>
<input type="submit" value="Sprawdź" onclick="getText()" /> <br/><br/>
<!-- readyorder -->
<div id="readyorder"></div><br/>
<!-- sidebar -->
<aside>
<nav>
<ul>
<li><a href="index.html">Powrot do strony głownej</a></li>
<li><a href="#">Zmien styl</a></li>
</ul>
</nav>
</aside>
<!-- main -->
<section id="main">
<h1> You made your order</h1><br/>
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</section>
<!-- footer -->
<footer>
<p>Lukasz © 2017</p>
</footer>
</div>
</body>
</html>
[looping]（https://developer.mozilla.org/en-US/docs/Learn/JavaScript/Building_blocks/Looping_code）では、数行の節約が可能です。 – Teemu