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How to shuffle an array using javascript

Date- May 07,2022

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How to shuffle an array using javascript

Shuffling an array means we want to randomly rearranging the list or an array.

Using algorithms we use shuffle an array.

Algorithm:


Array =[11,12,13,14,15,16]

<button onclick="display()"> click </button> <script> // Function for array shuffling function ArrayShuffle(array) { for (var i = array.length - 1; i > 0; i--) { //random number generate var j = Math.floor(Math.random() * (i + 1)); var tempVar = array[i]; array[i] = array[j]; array[j] = tempVar; } return array; } //Showing result by this function function display() { var ary = [11,12,13,14,15,16] var ary1 = ArrayShuffle(ary) document.write("After shuffling Array: ", ary1) } </script>

Output

Before Shuffling
Array =[11,12,13,14,15,16]

After shuffling
After shuffling Array: 11,13,15,14,12,16

Algorithm:

This algorithms uses function that returns(random-0.5) as comparator to sort function.

 

Array =[11,12,13,14,15,16]

<button onclick="display()"> click </button>

Output

Before Shuffling
Array =[11,12,13,14,15,16]

After shuffling
After shuffling Array: 12,15,16,11,13,14

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