Javascript Springy Cytoscape.js未捕获类型错误:无法读取属性';质量';未定义的
我试图使用Javascript Springy Cytoscape.js未捕获类型错误:无法读取属性';质量';未定义的,javascript,jquery,ajax,json,Javascript,Jquery,Ajax,Json,我试图使用cytoscape.js中的Springy布局从一个json文件构建一个新的图形,我从Springy.js 343中得到错误Uncaught TypeError:Cannot read undefined的属性“mass” 我在json文件中定义了“mass”和一个“mass”值,我已验证该文件是否通过console.log正确访问,以及 我已经看过源代码,根据初学者对javascript的理解,如果未定义,应该设置默认值 springy.js第343行 Layout.ForceDir
cytoscape.js
中的Springy布局从一个json文件构建一个新的图形,我从Springy.js 343中得到错误Uncaught TypeError:Cannot read undefined
的属性“mass”
console.log
正确访问,以及Layout.ForceDirected.prototype.eachNode = function(callback) {
var t = this;
this.graph.nodes.forEach(function(n){
callback.call(t, n, t.point(n));
});
};
这是我的密码
<html>
<head>
<title>Springy.js image node demo</title>
</head>
<body>
<script src="jquery-1.11.3.js"></script>
<script src="springy.js"></script>
<script src="springyui.js"></script>
<script src="bluebird.min.js"></script>
<!--<script src="http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>-->
<script/>
$.ajax({
url: 'https://rawgit.com/theresajbecker/CompBio/master/SuperSmallNodes.json',
type: 'GET',
dataType: 'json'
}).done(function(graphP) {
for (var i = 0; i < graphP.elements.nodes.length; i++) {
var node = graphP.elements.nodes[i].data.id;
var Nmass = graphP.elements.nodes[i].data.mass;
console.log('mass');
console.log(graphP.elements.nodes[i].data.mass);
console.log('node id');
console.log(graphP.elements.nodes[i].data.id);
console.log('station_name');
console.log(graphP.elements.nodes[i].data.station_name);
}
for (i = 0; i < graphP.elements.edges.length; i++) {
var Nnode = graphP.elements.edges[i].data.source;
console.log('edges source');
console.log(graphP.elements.edges[i].data.source);
console.log('edges target');
console.log(graphP.elements.edges[i].data.target);
//console.log(node)
}
var graph = new Springy.Graph();
for ( i = 0; i < graphP.elements.nodes.length; i++)
{
var NGnode = graph.newNode({ label: 'graphP.elements.nodes[i].data.id'});
}
for ( i = 0; i < graphP.elements.edges.length; i++) {
var edge = graph.newEdge({source: graphP.elements.edges[i].data.target},
{target: graphP.elements.edges[i].data.target});
}
$(document).ready(function(){
var springy = window.springy = jQuery('#springydemo').springy({
graph: graph,
nodeSelected: function(node){
console.log('Node selected: ' + JSON.stringify(node.data));
},
repulsion: 500
});
});
});
</script>
<div>
<canvas id="springydemo" width="800" height="400" style="border: 1px solid black;"></canvas>
</div>
</body>
</html>
Springy.js图像节点演示
$.ajax({
网址:'https://rawgit.com/theresajbecker/CompBio/master/SuperSmallNodes.json',
键入:“GET”,
数据类型:“json”
}).done(函数(图形){
对于(var i=0;i
那么我误解了哪一部分呢
var springy=window.springy=jQuery(“#springydemo”).springy({
我认为这样的赋值是不正确的。如果我错了,请告诉我。@Mustaghees,我已经能够在其他示例代码中使用它,所以我认为它是正确的。