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Find a random item in an Array JavaScript Code Example

Last Updated on Wednesday 5th Oct 2022
					const arr = ['one', 'two', 'three', 'four', 'five'];


Step 1: Need to find the length of an array

					const length = arr.length;  //  5


Step 2 : Create a random Number between 0 and 1 with Math.random()

					const randomNumber = Math.random();


Step 3: Multiply this random number by the length of an array to find the possible length

					const possibleLength = length * randNumber;


Step 4: Round this possible Length by Math. floor.

					const rounded = Math.floor(possibleLength);


Step 5: Return the rounded in array to the generated random integer



In Simple

					const findRandom = arr[Math.floor(Math.random() * arr.length)];