If you want to store multiple values in a single variable javaScript arrays are used.
There are few ways to store values in array in javascript which are mentioned below.

First way:

HTML:

<div id="fruitList"></div>

Javascript:

var fruits = ["Apple", "Orange", "Grapes"];
document.getElementById("fruitList").innerHTML = fruits;

Second way:

HTML:

<div id="fruitList"></div>

Javascript:

var fruits = [ ]

fruits[0] = "Apple";
fruits[1] = "Orange";
fruits[2] = "Grapes";

 document.getElementById("fruitList").innerHTML = fruits;

Third way

HTML:

<div id="fruitList"></div>

Javascript:

var fruits = {"first":"Apple","second":"Orange","third":"Grapes"};

document.getElementById("fruitList").innerHTML = fruits["first"];
document.getElementById("fruitList").innerHTML = fruits["second"];
document.getElementById("fruitList").innerHTML = fruits["third"];