仅当用户单击复选框并提交时，才尝试使用自定义构建示例生成和加载代码页。然而，textarea似乎根本没有更新。
我试图让我的代码像这个例子一样工作 http://gregfranko.com/jquery.selectBoxIt.js/customDownload.html
的jsfiddle http://jsfiddle.net/lollipopwizardkid/ujp0b1uw/
这是代码。
<section class="custom-downloads" id="css-downloads">
<div class="page-header">
<a class="btn btn-small pull-right toggle-all" href="#">Toggle all</a>
<h1>
1. Choose and Download CSS components
<small>Get just the CSS you need</small>
</h1>
</div>
<div class="row">
<div class="span3">
<label class="checkbox"><input checked="checked" type="checkbox" value="selectboxit/jquery.selectBoxIt.css"> SelectBoxIt CSS</label>
</div>
</div>
<br />
<a class="btn" data-bind="css-downloads" id="css-generate">Generate CSS</a>
<a class="btn btn-primary download-button" id="css-download" download="jquery.selectboxit.css">Download CSS</a>
<br /><br />
<textarea class="source-area default sourceView" id="generated-css-source">// Minified source</textarea>
</section>
<section class="custom-downloads" id="javascript-downloads">
<div class="page-header">
<a class="btn btn-small pull-right toggle-all" href="#">Toggle all</a>
<h1>
2. Choose and Download JavaScript components
<small>Get just the JavaScript you need</small>
</h1>
</div>
<div class="row">
<div class="span3">
<label class="checkbox"><input checked="checked" type="checkbox" value="selectboxit/jquery.selectBoxIt.core.min.js" disabled> SelectBoxIt Core</label>
<label class="checkbox"><input checked="checked" type="checkbox" value="selectboxit/jquery.selectBoxIt.ariaAccessibility.min.js"> Aria Accessibility</label>
<label class="checkbox"><input checked="checked" type="checkbox" value="selectboxit/jquery.selectBoxIt.destroy.min.js"> Destroy method</label>
<label class="checkbox"><input checked="checked" type="checkbox" value="selectboxit/jquery.selectBoxIt.disable.min.js"> Disable method</label>
</div>
</div><!-- /row -->
<br />
<a class="btn" href="#" data-bind="javascript-downloads" id="javascript-generate">Generate JavaScript</a>
<a class="btn btn-primary download-button" id="javascript-download" download="jquery.selectboxit.js">Download JavaScript</a>
<br /><br />
<textarea class="source-area default sourceView" id="generated-javascript-source">// Minified source</textarea>
</section>
</div>
</div><!--/.fluid-container-->
<div class="modal hide fade" id="myModal">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal">×</button>
<h3>Downloads</h3>
</div>
<div class="modal-body">
<a class="btn btn-large" href="#" target="_blank" data-lang="css" download="jquery.selectboxit.css">Download CSS</a>
<a class="btn btn-large" href="#" target="_blank" data-lang="javascript">Download JavaScript</a>
</div>
</div>
<!-- Le javascript
================================================== -->
<!-- Placed at the end of the document so the pages load faster -->
<script src="js/jquery-1.7.2.min.js"></script>
<script src="js/jquery-ui-1.8.22.custom.min.js"></script>
<script src="js/bootstrap.min.js"></script>
<script src="js/jquery.tocify.min.js"></script>
<script src ="js/base64.js"></script>
<script src="js/javascripts/DownloadBuilder.js"></script>
<script>
$(function() {
$("a[href='#']").click(function(event) {
event.preventDefault();
});
$(".toggle-all").on("click", function() {
$(this).parent().parent().find('input[type="checkbox"]').not(":disabled").each(function() {
$(this).attr("checked", !$(this).attr("checked"));
});
});
var builder = new DownloadBuilder();
$("#css-generate").on("click", function() {
builder.buildURL($("#css-downloads input[type='checkbox']:checked"), "jquery.selectboxit.css", "css", function(data) {
$("#generated-css-source").text(data.content);
if(!data.content) {
$("#css-download").fadeOut("slow");
}
if(data.url) {
$("#css-download").attr("href", data.url).fadeIn("slow");
}
});
});
$("#javascript-generate").on("click", function() {
builder.buildURL($("#javascript-downloads input[type='checkbox']:checked"), "jquery.selectboxit.js", "javascript", function(data) {
$("#generated-javascript-source").text(data.content);
if(!data.content) {
$("#javascript-download").fadeOut("slow");
}
if(data.url) {
$("#javascript-download").attr("href", data.url).fadeIn("slow");
}
});
});
});
</script>
</body>
</html>