D3.js node.ancestors() Function
Last Updated :
23 Sep, 2020
The node.ancestors() function returns an array of ancestors nodes, starting with the given node, then followed by each parent up to the root.
Syntax:
node.ancestors();
Parameters: This method takes no parameters.
Return Values: This method returns an array of ancestors nodes.
Example 1:
HTML
<!DOCTYPE html>
< html >
< head >
< meta charset = "utf-8" >
< script src =
</ script >
</ head >
< body >
< script >
var data = {
"name":"GeeksforGeeks",
"about":"Computer Science Portal",
"children":[
{"name":"GFG1"},
{"name":"GFG2"},
{"name":"GFG3"}
]
}
var root = d3.hierarchy(data);
a=root.ancestors();
console.log(a);
</ script >
</ body >
</ html >
|
Output:
Example 2:
HTML
<!DOCTYPE html>
< html >
< head >
< meta charset = "utf-8" >
< script src =
</ script >
</ head >
< body >
< script >
var data = {"name":"GFG1"}
var root = d3.hierarchy(data);
console.log(root.ancestors());
</ script >
</ body >
</ html >
|
Output:
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