D3.js | d3.entries() Function

The d3.entries() function in D3.js is used to return an array containing the property names and property values of the specified object or an associative array.

Syntax:

d3.entries(object)

Parameters: This function accepts single parameter object containing key and value in pairs.

Return Value: It returns an array containing the property names and values of the specified object or an associative array.

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

Example 1:

<!DOCTYPE html>  
<html>  
      
<head>  
    <title> d3.entries() function</title>  
          
    <script src='https://d3js.org/d3.v4.min.js'></script>  
</head>  
<body>  
      
<script> 
       
     // Initialising an object 
     var month = {"January": 1, "February": 2, "March": 3}; 
            
     // Calling the d3.entries() function 
     A = d3.entries(month); 
        
     // Getting the key and value in pairs 
     console.log(A); 
  </script> 
</body>  
</html> 

Output:

[{"key":"January","value":1},{"key":"February","value":2},
                                       {"key":"March","value":3}]

Example 2:

<!DOCTYPE html>  
<html>  
      
<head>  
    <title> d3.entries() function</title>  
          
    <script src='https://d3js.org/d3.v4.min.js'></script>  
</head>  
<body>  
  <script src = "https://d3js.org/d3.v4.min.js"></script> 
  <script> 
       
     // Initialising an object 
     var month = {"GeeksforGeeks": 0, "Geeks": 2, 
                                     "Geek": 3, "gfg": 4}; 
            
     // Calling the d3.entries() function 
     A = d3.entries(month); 
        
     // Getting the key and value in pairs. 
     console.log(A); 
  </script> 
</body>  
</html> 

Output:

[{"key":"GeeksforGeeks","value":0},{"key":"Geeks","value":2},
                     {"key":"Geek","value":3},{"key":"gfg","value":4}]

Reference: https://devdocs.io/d3~5/d3-collection#entries

My Personal Notes

Recommended Posts: