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> </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> |
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Output:
[{"key":"January","value":1},{"key":"February","value":2},
{"key":"March","value":3}]
Example 2:
<!DOCTYPE html> <html> <head> <title> d3.entries() function</title> </head> <body> <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> |
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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
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