How to get a random value from an array with JavaScript

To select a random value from an array in JavaScript, you can use the built-in Math object functions. Let us say we want to create a function that selects a random fruit from an array of fruits.

Here is how our fruits array looks like:

const fruits = [
    "Apple",
    "Orange",
    "Mango",
    "Banana",
    "Cherry"
];

Next, let us write a randomValue() function that randomly picks a value from the given list:

const randomValue = (list) => {
    return list[Math.floor(Math.random() * list.length)];
};

Now you can use the above function to select a random value from an array, like below:

console.log(randomValue(fruits)); // Banana

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Last Updated: May 02, 2020