JavaScript: Add items in a blank array and display the items
JavaScript Array: Exercise-13 with Solution
Write a JavaScript program to add items in an blank array and display the items.
Sample Screen:
Sample Solution:
HTML Code:
<!DOCTYPE html>
<html>
<head>
<meta charset=utf-8 />
<title>JS Bin</title>
<style>
body {padding-top:50px}
</style>
</head>
<body>
<input type="text" id="text1"></input>
<input type="button" id="button1" value="Add" onclick="add_element_to_array();"></input>
<input type="button" id="button2" value="Display" onclick="display_array();"></input>
<div id="Result"></div>
</body>
</html>
JavaScript Code:
var x = 0;
var array = Array();
function add_element_to_array()
{
array[x] = document.getElementById("text1").value;
alert("Element: " + array[x] + " Added at index " + x);
x++;
document.getElementById("text1").value = "";
}
function display_array()
{
var e = "<hr/>";
for (var y=0; y<array.length; y++)
{
e += "Element " + y + " = " + array[y] + "<br/>";
}
document.getElementById("Result").innerHTML = e;
}
Flowchart:

ES6 Version:
let x = 0;
const array = Array();
function add_element_to_array()
{
array[x] = document.getElementById("text1").value;
alert(`Element: ${array[x]} Added at index ${x}`);
x++;
document.getElementById("text1").value = "";
}
function display_array()
{
let e = "<hr/>";
for (let y=0; y<array.length; y++)
{
e += `Element ${y} = ${array[y]}<br/>`;
}
document.getElementById("Result").innerHTML = e;
}
Live Demo:
See the Pen JavaScript: Add items in a blank array and display the items - array-ex-13 by w3resource (@w3resource) on CodePen.
Improve this sample solution and post your code through Disqus
Previous: Write a JavaScript program to compute the sum and product of an array of integers.
Next: Write a JavaScript program to remove duplicate items from an array (ignore case sensitivity).
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JavaScript: Tips of the Day
Creates an object from the given key-value pairs
Example:
const tips_objectFromPairs = arr => arr.reduce((a, [key, val]) => ((a[key] = val), a), {}); console.log(tips_objectFromPairs([['x', 2], ['y', 4]]));
Output:
[object Object] { x: 2, y: 4 }
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