Skip to content
Related Articles

Related Articles

Improve Article
D3.js | d3.set.add() Function
  • Last Updated : 28 Jun, 2019

The set.add() function in D3.js is used to add the specified value string to the created set.

Syntax:

d3.set().add(element);

Parameters: This function accepts single parameter element which is going to be added into the created set.

Return Value: This function does not returns any values.

Below programs illustrate the d3.set.add() function in D3.js:



Example 1:




<!DOCTYPE html>
  
<html>
   
<head>
    <title> d3.set.add() Function</title>
   
    <script src='https://d3js.org/d3.v4.min.js'></script>
</head>
  
<body>
  <script>
      
     // Initialising the set
     var set = d3.set()
    .add("Geeks")
    .add("Geeks")
    .add("gfg");
  
    // Checking whether the desired element is 
    // present or not
    A = set.has("GeeksforGeeks");
    B = set.has("Ram");
    C = set.has("Geeks");
      
    // Getting the output of true or false
    console.log(A);
    console.log(B);
    console.log(C);
  </script>
</body>
  
</html>

Output:

false
false
true

Example 2:




<!DOCTYPE html>
  
<html>
   
<head>
    <title> d3.set.add() Function</title>
   
    <script src='https://d3js.org/d3.v4.min.js'></script>
</head>
  
<body>
  <script>
      
     // Initialising the set
     var set = d3.set().add("a").add(1).add(123);
  
    // Checking whether the desired element is 
    // present or not
    A = set.has("a");
    B = set.has(123);
    C = set.has(5);
      
    // Getting the output of true or false
    console.log(A);
    console.log(B);
    console.log(C);
  </script>
</body>
  
</html>

Output:

true
true
false

Ref: https://devdocs.io/d3~5/d3-collection#set_add




My Personal Notes arrow_drop_up
Recommended Articles
Page :