D3.js zip() Function
Last Updated :
10 Apr, 2023
The zip() function in D3.js is used to form a matrix from an array given as a parameter. It helps to visualize data. D3.js stands for Data-Driven Documents.
Syntax:
d3.zip(arrays…)
Parameters: This function accepts a single parameter as mentioned above and described below:
- arrays: This parameter holds the series of arrays.
Return Value: It returns the array of arrays.
Below examples illustrate the zip() function in D3.js:
Example 1:
HTML
<!DOCTYPE html>
< html lang = "en" >
< head >
< meta charset = "UTF-8" >
< meta name = "viewport"
content = "width=device-width, initial-scale=1.0" >
< title >Document</ title >
</ head >
< body >
< script type = "text/javascript"
</ script >
< script >
console.log("Making matrix using zip function: ")
let m=d3.zip(["aa","ab","ac"],
["ac","ad","ah"],["ae","af","ag"]);
console.log("Matrix returned by zip function is: ",m)
</ script >
</ body >
</ html >
|
Output:
Example 2: When nothing is given in the parameter an empty array is returned by the zip function.
HTML
<!DOCTYPE html>
< html lang = "en" >
< head >
< meta charset = "UTF-8" >
< meta name = "viewport"
content = "width=device-width, initial-scale=1.0" >
< title >Document</ title >
</ head >
< body >
< script type = "text/javascript"
</ script >
< script >
let m=d3.zip();
console.log("Type of m is: ",typeof(m))
console.log("Matrix returned by zip function is: ",m)
</ script >
</ body >
</ html >
|
Output:
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