我第一次使用 Vis.js 时间线我想要时间线年份而不是合并年份时间线。我尝试了 Vis.js 中的组选项而不是项目，但没有奏效。页面刷新后，我得到这样的时间线：
但我想要这样的时间线：
你能帮我解决这个问题吗？谢谢
代码：
var container = document.getElementById('visualization');
// Create a DataSet (allows two way data-binding)
var items = new vis.DataSet(
[
{
"content": "Application 31 August 2004 - 0.0 ",
"start": "2004-08-31",
"id": 0
},
{
"content": "cricket 10 October 2007 - 3.11 Years",
"start": "2007-10-10",
"id": 1
},
{
"content": "Inter 09 January 2008 - 3.36 Years",
"start": "2008-01-09",
"id": 2
},
{
"content": "Final 09 April 2008 - 3.61 Years",
"start": "2008-04-09",
"id": 3
},
{
"content": "exam 07 July 2008 - 3.85 Years",
"start": "2008-07-07",
"id": 4
},
{
"content": "asf 18 July 2008 - 3.88 Years",
"start": "2008-07-18",
"code": "all",
"id": 5
},
{
"content": "pal 01 August 2008 - 3.92 Years",
"start": "2008-08-01",
"id": 6
},
{
"content": "Final 08 January 2009 - 4.36 Years",
"start": "2009-01-08",
"id": 7
},
{
"content": "App 01 June 2009 - 4.75 Years",
"start": "2009-06-01",
"id": 8
},
{
"content": "N 31 August 2009 - 5.0 Years",
"start": "2009-08-31",
"id": 9
},
{
"content": "Fl 09 March 2010 - 5.52 Years",
"start": "2010-03-09",
"id": 10
},
{
"content": "Request 10 June 2010 - 5.78 Years",
"start": "2010-06-10",
"id": 11
},
{
"content": "Abn 15 June 2010 - 5.79 Years",
"start": "2010-06-15",
"id": 12
},
{
"content": "Non-Final 17 November 2010 - 6.22 Years",
"start": "2010-11-17",
"id": 13
},
{
"content": "Final R13 April 2011 - 6.62 Years",
"start": "2011-04-13",
"id": 14
},
{
"content": "App 07 September 2011 - 7.02 Years",
"start": "2011-09-07",
"id": 15,
}
]
);
// Configuration for the Timeline
var options = {
min: new Date(2000, 1, 5),
max: new Date(209,3,2),
// autoResize: false,
height: '200px'
};
// Create a Timeline
var timeline = new vis.Timeline(container, items, options);