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D3.js shuffler() Method

  • Last Updated : 23 Sep, 2020

With the help of d3.shuffler() method, we can get the random function of shuffle which can be used to shuffle the random values of an array by using this method.

Syntax:

d3.shuffler( random )

Return value: It returns the random shuffle function.

Note: To execute the below examples you have to install the d3 library by using this command prompt we have to execute the following command.

npm install d3

Example 1: In this example, we can see that by using d3.shuffler() method, we are able to get the random shuffle function which we can use it to shuffle the elements in an array by using this method.



Javascript




// Defining d3 contrib variable  
var d3 = require('d3');
  
const random = d3.randomLcg(0.67019185816);
var gfg = d3.shuffler(random);
  
console.log(gfg([0, 1, 2, 3, 4]));

Output:

[ 3, 0, 4, 2, 1 ]

Example 2:

Javascript




// Defining d3 contrib variable  
var d3 = require('d3');
  
const random = d3.randomLcg(0.5816);
var gfg = d3.shuffler(random);
  
console.log(gfg([5, 6, -1, 3, 4]));

Output:

[3, 5, 6, -1, 4]

Example 3:

Javascript




// Defining d3 contrib variable  
var d3 = require('d3');
  
for(var i = 0.1; i <= 0.5; i+=0.1) {
    var random = d3.randomLcg(i);
    var gfg = d3.shuffler(random);
      
    console.log(gfg([-5, 6, -1, 3, -4]));
}

Output:

[ -4, 6, -5, -1, 3 ]
[ -1, 3, -5, -4, 6 ]
[ -5, -4, 6, -1, 3 ]
[ -1, 3, -4, -5, 6 ]
[ 6, -1, -5, -4, 3 ]



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