D3.js json() Function

The d3.json() function is used to fetch the JSON file. If this function got an init parameter, then this is called along with the fetch operation.

Syntax:

d3.json(input[, init]);

Parameters: This function accepts two parameters as mentioned above and described below.

• input: This parameter takes the address of the input file.
• init: This parameter takes a function that does some operation with the data of the file.

Note: Please create a JSON file named "sample.json" before writing the given example.

Example:

Output: