D3.js node.data Property

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The D3.js node.data property returns the original object from the data source for which the hierarchy node was created.

Syntax:

node.data

Return Value: This property returns the original object from the data source for which the hierarchy node was created.

Example 1: Getting the data object from the hierarchy node.

HTML

<!DOCTYPE html> 
<html> 
<head> 
    <meta charset="utf-8"> 
  
    <script src= 
        "https://d3js.org/d3.v5.min.js"> 
    </script> 
</head> 
  
<body> 
    <script> 
       var data = {"name":"GFG1", "children":[ 
                      {"name":"GFG2", }, 
                      {"name":"GFG3", "children":[ 
                          {"name":"GFG4"}, 
                          {"name":"GFG5"}]}, 
                      {"name":"GFG6"}]}; 
  
        var root = d3.hierarchy(data); 
        console.log(root.data) 
    </script> 
</body> 
  
</html>

Output:

Example 2:

HTML

<!DOCTYPE html> 
<html> 
<head> 
    <meta charset="utf-8"> 
  
    <script src= 
        "https://d3js.org/d3.v5.min.js"> 
    </script> 
</head> 
  
<body> 
    <script> 
       var data = { 
            "name":"zambiatek",  
            "about":"Computer Science Portal", 
            "children":[{"name":"GFG"}] 
          } 
        var root = d3.hierarchy(data); 
        console.log(root.data) 
    </script> 
</body> 
  
</html>

Output:

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