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Fundamentals of Javascript 1 About Javascript Tutorial 2 Important Points about Javascript 3 Why Javascript! 4 JavaScript Cheatsheet

JavaScript Objects 1 JavaScript Object Prototypes

Map in javascript 1 Map in javascript

Overview of Javascript 1 Asynchronous programming in JavaScript ? 2 History of Javascript 3 First Program in Javascript, Hello World 4 Places to put JavaScript code 5 Comments in Javascript 6 Output Display in Javascript

Data Types in Javascript 1 Javascript Data Types MCQ 2 Data Types Introduction 3 Numbers 4 Booleans 5 JavaScript Strings 6 var and let in JavaScript

Variable in Javascript 1 Variable Introduction 2 Local and Global

Operators in Javascript 1 Operators Introduction

Decision Making of Javascript 1 Decision Making Introduction

Loop control in Javascript 1 JavaScript For-in Loop 2 JavaScript For-of Loop 3 JavaScript While Loop 4 Do While Loop JavaScript Language 5 JavaScript For Loop 6 Loop Control Introduction in JavaScript Language

Control Flow in Javascript 1 break statement in Javascript 2 continue statement

Array in Javascript 1 Array Introduction

Function in Javascript 1 make fullscreen 2 exit fullscreen 3 Event Listener in javascript 4 Function Introduction 5 Closure 6 What is block in JavaScript 7 Block scope in JavaScript 8 What is Shadowing in JavaScript

String and String functions in Javascript 1 String Introduction

Recursion in Javascript 1 Recursion Introduction

OOP Concept JavaScript 1 Oop Concept Introduction

DOM Manipulation 1 getElementById() 2 getElementsByClassName() Method 3 Introduction to DOM 4 DOM Selectors for Single Elements 5 DOM Selectors for Multiple Elements 6 Traversing the DOM 7 Traversing the DOM 8 Creating new HTML elements

JavaScript Events 1 JavaScript Events 2 DOM Load event 3 mouseover event Listener 4 mouseout event Listener 5 mousedown event Listener 6 Keydown event Listener 7 focus event Listener

AJAX and Javascript 1 XHR Request 2 Update the DOM using AJAX 3 JSON Files and AJAX 4 AJAX with JSON 5 XML data using AJAX 6 AJAX and Javascript

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Mastering the document.getElementById() Method in JavaScript

Rumman Ansari July 28, 2024 601 views

document.getElementById() method - Javascript

The document.getElementById() method returns the element of specified id.

html code

 
<form>  
    Enter No:<input type="text" id="number" name="number"/><br/>  
    <input type="button" value="cube" onclick="getcube()"/>  
</form>

Javascript Code


<script type="text/javascript">  
function getcube(){  
    var number=document.getElementById("number").value;  
    alert(number*number*number);  
}  
</script>

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