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我如何更改此代碼以獲得lineWidth的工作？LineWidth不會更改谷歌圖表
<html>
<head>
<!--Load the AJAX API-->
<script type="text/javascript" src="https://www.gstatic.com/charts/loader.js"></script>
</head>
<body>
<table>
<tr>
<td>k: </td>
<td><input id="k" type="number" value="2.2" min="0" max="10" step="0.1" /></td>
</tr>
<tr>
<td>lambda: </td>
<td><input id="lambda" type="number" value="7.6" min="0" max="10" step="0.1" /></td>
</tr>
</table>
<p id="message"> </p>
<div id="chart_weights"></div>
<script type="text/javascript">
google.charts.load('current', {
'packages': ['line']
}); // load the visualisation API and corechart package
google.charts.setOnLoadCallback(UpdateValues); // set a callback to run when the Google Visualization API is loaded
// Callback that creates and populates a data table, instantiates the chart, passes in the data and draws it.
function drawChart() {
if (!google.visualization) {
return;
}
// Create the data table for the symbol in question.
var data = new google.visualization.DataTable();
data.addColumn('number', '');
data.addColumn('number', 'lambda');
data.addRows(weight);
var options = {
lineWidth: 10,
width: 550,
height: 288,
legend: {
position: 'none'
},
colors: ['#e0440e', '#e6693e', '#ec8f6e', '#f3b49f',
'#f6c7b6'
]
};
//data.addRows(number);
//console.log(type(data));
var chart = new google.charts.Line(document.getElementById(
'chart_weights'));
chart.draw(data, options);
}
var weight = [];
function UpdateValues() {
weight = [];
var k = document.getElementById("k").value;
var lambda = document.getElementById("lambda").value;
for (var x = 0.1; x < 20; x++) {
weight.push([x, k * Math.pow(x/lambda, k - 1) * Math.exp(-
Math.pow(x/lambda, k))/lambda]);
document.getElementById("message").innerHTML = weight;
}
drawChart();
}
UpdateValues();
document.getElementById("k").addEventListener("click", function() {
UpdateValues();
});
document.getElementById("lambda").addEventListener("click", function() {
UpdateValues();
});
</script>
</body>
</html>