我想添加div元素并使用Google图表在它们中绘制图形。但是在绘图函数中,当我尝试使用document.getelementById()访问div元素时,它给出null并且google函数抛出eror“container not defined”。我哪里出错了?document.getElementById不适用于动态div
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>Test</title>
<!-- Bootstrap Core CSS -->
<link href="static/css/bootstrap.min.css" rel="stylesheet">
<!-- Custom CSS -->
<link href="static/css/bootstrap-multiselect.css" rel="stylesheet">
<!-- Custom Fonts -->
<link href="static/lib/css/font-awesome/css/font-awesome.min.css" rel="stylesheet" type="text/css">
<link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/morris.js/0.5.1/morris.css">
<script src="static/js/jquery.js"></script>
<script type="text/javascript" src="https://www.google.com/jsapi"></script>
<!-- Bootstrap Core JavaScript -->
<script src="static/js/bootstrap.min.js"></script>
<script src="static/js/bootstrap-multiselect.js"></script>
<script src="static/js/Chart.js-master/Chart.js"></script>
</head>
<body onload = onLoading()>
<div class="container">
<div class="col-xs-12">
<div class="page-header">
<h3>BNG Subscriber Analytics</h3>
</div>
<div class="carousel slide" id="myCarousel">
<nav>
<ul class="control-box pager">
<li><a data-slide="prev" href="#myCarousel" class=""><i class="glyphicon glyphicon-chevron-left"></i></a></li>
<li><a data-slide="next" href="#myCarousel" class=""><i class="glyphicon glyphicon-chevron-right"></i></li>
</ul>
</nav>
<!-- /.control-box -->
<div class="carousel-inner" id="imp">
<div class="item active" id="c0">
</div><!-- /Slide1 -->
</div><!-- /Carousel inner -->
</div><!-- /#myCarousel -->
</div><!-- /.col-xs-12 -->
</div><!-- /.container -->
<script type="text/javascript">
google.load("visualization", "1", {packages:["corechart"]});
// Carousel Auto-Cycle
$(document).ready(function() {
$('.carousel').carousel({
interval: 3000
})
});
function onLoading()
{
for(i=0;i<4;i++)
{
var data = google.visualization.arrayToDataTable([
['Task', 'Hours per Day'],
['Work', 11],
['Eat', 2],
['Commute', 2],
['Watch TV', 2],
['Sleep', 7]
]);
var options = {
title: 'My Daily Activities',
is3D: true,
};
var output = document.getElementById("c0");
var html = '<div class="col-sm-6"><div class="fff"><div class="thumbnail" id="i'+i+'"></div></div></div>';
alert(html);
output.innerHTML = html;
var tmp = "i";
var ele_id = tmp.concat(i+1);
alert(ele_id);
google.setOnLoadCallback(drawChart(ele_id,data,options));
}
}
function drawChart(ele_id,data,options)
{
google.load("visualization", "1", {packages:["corechart"]});
alert(document.getElementById(ele_id));
var chart = new google.visualization.PieChart(document.getElementById(ele_id));
chart.draw(data, options);
}
</script>
</body>
</html>
感谢。但问题是output.innerHTML正在替换它看起来较早的div。我只能在“c0”中看到最近的div。因此,一次只能看到一个饼图:( – sklearning
,所以不要覆盖output.innerHTML的内容。仅将html内容附加到以前的内容。 output.innerHTML = output.innerHTML + html –