javascript - JointJS: Hello World example doesn't work -


I am always looking at this exception when I try Hello World from the UN site: 

  UnkType type error: Can not code call 'getStrokeBBox' undefined

: 

   & Lt; Script src = "js / joint.js" & gt; & Lt; / Script & gt; - & gt; & Lt; Link rel = "stylesheet" type = "text / css" href = "http://www.jointjs.com/downloads/joint.css" & gt; & Lt; / Link> & Lt; Script type = "text / javascript" src = "http://www.jointjs.com/downloads/joint.js" & gt; & Lt; / Script & gt; & Lt; Script & gt; Var graph = new joint. Dia.Graph; Var Paper = New Combined Dia.Paper ({AL: $ ('#holder'), width: 600, height: 200, model: graph}); Var rect = new joint.shapes.basic.Rect ({position: {x: 100, y: 30}, Size: {width: 100, height: 30}, attrs: {rect: {fill: 'blue'}, Text: {text: 'my box', fill out: 'white'}}}); Var rect2 = rect.clone (); Rect2.translate (300); Var link = new joint.dia.Link ({source: {id: rect.id}, target: {id: rect2.id}}); Graph.addCells ([rect, rect2, link]); & Lt; / Script & gt; & Lt; / Head & gt; & Lt; Title & gt; Test & lt; / Title & gt; & Lt; Body & gt; & Lt; Div id = "myholder" & gt; & Lt; / Div & gt; & Lt; / Body & gt; & Lt; / Html & gt; I have seen that another question has already been asked for the same problem, but the solutions given there are not relevant because I have a div element for the paper object.  
 
 
  el: $ ('# myholder'),  
 
 Read Browsers from top to bottom. The browser is executing this line before finding an element with the ID of  myholder , so  L  is an empty jQuery object. 
 
 Instead, move your script tag below the HTML (before the browser has tried to catch it or found the  myholder ) or wrap it in all.

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