javascript-d3How can I import data into a D3 JavaScript project?

To import data into a D3 JavaScript project, you can use the d3.csv or d3.json methods. These methods allow you to read in data from a .csv or .json file, respectively. For example, to read in a .csv file named data.csv:

d3.csv("data.csv", function(data) {
  // Do something with the data
});

The data argument passed to the callback function contains the parsed data from the file.

You can also use the d3.text method to read in a text file. For example, to read in a .txt file named data.txt:

d3.text("data.txt", function(data) {
  // Do something with the data
});

The data argument passed to the callback function contains the text from the file.

Code explanation

• d3.csv: reads in a .csv file
• d3.json: reads in a .json file
• d3.text: reads in a text file
• data argument: contains the parsed data from the file

Helpful links

• d3.csv
• d3.json
• d3.text

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