Answers for "array get random element"

68

javascript get random array value

//get random value from array
var colors = ["red","blue","green","yellow"];
var randColor = colors[Math.floor(Math.random() * colors.length)];
Posted by: Guest on July-31-2019
12

Javascript get random item from array

var colors = ["red","blue","green","yellow"];
var randomColor = colors[Math.floor(Math.random()*colors.length)]; //pluck a random color
Posted by: Guest on July-26-2019
3

javascript get random items from array

const list = [1, 2, 3, 4, 5, 6];

// shuffle your list with the sort function:
const shuffledList = list.sort(() => Math.random() - 0.5);
// generate a size for the new list
const newListSize = Math.floor(Math.random() * list.length)
// pick the first "newListSize" elements from "shuffledList"
const newList = shuffledList.slice(0, newListSize)

console.log(newList);
// [3, 2, 6]; [5]; [4, 1, 2, 6, 3, 5]; []; etc..
Posted by: Guest on February-01-2022
0

define function to get random value from array

const randomValue = (list) => {
    return list[Math.floor(Math.random() * list.length)];
};
Posted by: Guest on January-30-2022
-1

how to get random item from an array

//Function to make it easier
Array.prototype.random = function() {
    return this[Math.floor((Math.random() * this.length))];
};

var colors = ["red","blue","green","yellow"];
var randomColor = colors.random();
Posted by: Guest on February-24-2021

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