Bestseller हिन्दी में

JavaScript DOM Manipulation Complete Guide

Master DOM Manipulation - Build Dynamic Apps & Earn ₹5-10 LPA as Frontend Developer!

4.6

Intermediate

Certificate of Completion

Complete this course and earn a verified certificate to showcase your achievement.

Verified & ShareableShare on LinkedIn, resume, or portfolio

QR Code VerificationEmployers can instantly verify online

Unique Certificate IDTamper-proof with unique serial number

Industry RecognisedAccepted by 500+ companies across India

This is to certify that

Your Name Here

has successfully completed

JavaScript DOM Manipulation Complete Guide

8 Modules

Course Curriculum

8 Modules · 12 Chapters · 22 Topics · 196 Sub-topics

Introduction to the DOM

1 Topics

DOM Fundamentals

14 Sub-topics

What is the Document Object Model

DOM as a Programming Interface

How Browsers Build the DOM

DOM vs HTML Source Code

DOM Tree Visualization

Understanding Nodes

Node Types Overview

Element Nodes vs Text Nodes

Comment Nodes and Document Nodes

DOM and JavaScript Relationship

Browser Developer Tools for DOM

Inspecting DOM in DevTools

Live DOM Editing

DOM Specifications and Standards

Selecting DOM Elements - Basic Methods

1 Topics

Basic Selection Methods

14 Sub-topics

Document Object Introduction

getElementById Method

getElementById Return Values

getElementsByClassName Method

Working with HTMLCollection

getElementsByTagName Method

getElementsByName Method

Selecting by Multiple Criteria

Case Sensitivity in Selection

Null and Empty Returns

Selecting the Document Root

Selecting Head and Body Elements

Best Practices for Element Selection

Performance of Selection Methods

Selecting DOM Elements - Modern Methods

1 Topics

Query Selectors

15 Sub-topics

querySelector Method Introduction

CSS Selector Syntax Basics

Selecting by ID with querySelector

Selecting by Class with querySelector

Selecting by Attribute

Complex CSS Selectors

Pseudo-class Selectors

querySelectorAll Method

Working with NodeList

NodeList vs HTMLCollection

Converting NodeList to Array

Scoped Queries

querySelector on Elements

Performance Considerations

Choosing Between Selection Methods

Reading DOM Content

3 Topics

Text and HTML Content

7 Sub-topics

Accessing Text Content

textContent Property

innerText Property

textContent vs innerText

innerHTML Property

outerHTML Property

innerHTML vs outerHTML

Form Values

8 Sub-topics

Reading Form Values

value Property for Inputs

Reading Checkbox and Radio States

Reading Select Dropdowns

Reading Textarea Content

Reading Hidden Input Values

nodeValue Property

data Property for Text Nodes

Element Dimensions

5 Sub-topics

Reading Element Dimensions

clientWidth and clientHeight

offsetWidth and offsetHeight

scrollWidth and scrollHeight

getBoundingClientRect Method

Modifying DOM Content

3 Topics

Setting Content

9 Sub-topics

Setting Text Content

Using textContent for Safe Updates

Setting innerHTML

innerHTML Security Concerns

Setting outerHTML

Replacing Elements with outerHTML

insertAdjacentHTML Method

insertAdjacentHTML Positions

insertAdjacentText Method

Form Manipulation

5 Sub-topics

Setting Form Values

Updating Input Values

Updating Checkbox and Radio

Updating Select Options

Updating Textarea Content

Safe Content Updates

4 Sub-topics

Modifying Element Content Safely

XSS Prevention Techniques

Sanitizing User Input

Content Update Best Practices

Creating DOM Elements

2 Topics

Element Creation

6 Sub-topics

createElement Method

Creating Different Element Types

createTextNode Method

createDocumentFragment Method

Document Fragment Benefits

createComment Method

Cloning and Templates

9 Sub-topics

cloneNode Method

Shallow vs Deep Cloning

importNode Method

adoptNode Method

Creating Elements from Template

Template Element Usage

Building Complex Structures

Element Creation Best Practices

Memory Considerations

Inserting and Moving DOM Elements

2 Topics

Insertion Methods

10 Sub-topics

appendChild Method

append Method

appendChild vs append

insertBefore Method

prepend Method

after Method

before Method

replaceChild Method

replaceWith Method

insertAdjacentElement Method

Moving and Performance

8 Sub-topics

Moving Existing Elements

Reordering Elements

Batch Insertion Techniques

Using DocumentFragment for Batch Insert

Performance of DOM Insertion

Minimizing Reflows

Virtual DOM Concept Introduction

Insertion Best Practices

Removing DOM Elements

2 Topics

Removal Methods

8 Sub-topics

removeChild Method

remove Method

removeChild vs remove

Clearing All Children

innerHTML for Clearing

replaceChildren Method

Removing Multiple Elements

Removing Elements by Selector

Memory and Cleanup

6 Sub-topics

Memory and Removed Elements

Event Listeners on Removed Elements

Garbage Collection Considerations

Safe Removal Patterns

Undo Removal Patterns

Removal Best Practices

Working with Attributes

2 Topics

Attribute Methods

8 Sub-topics

HTML Attributes Overview

getAttribute Method

setAttribute Method

hasAttribute Method

removeAttribute Method

getAttributeNames Method

attributes Property

NamedNodeMap Interface

Attribute Details

9 Sub-topics

Standard vs Custom Attributes

Boolean Attributes

Property vs Attribute

Attribute Reflection

id and className Properties

src, href, and Other URL Attributes

Attribute Selectors Revisited

toggleAttribute Method

Attribute Best Practices

Data Attributes

2 Topics

Data Attribute Fundamentals

8 Sub-topics

Data Attributes Introduction

data-* Attribute Syntax

dataset Property

Accessing Data Attributes

Setting Data Attributes

Deleting Data Attributes

Data Attribute Naming Conventions

Camel Case Conversion

Data Attribute Usage

8 Sub-topics

Data Attributes in CSS

Storing Complex Data

JSON in Data Attributes

Data Attributes vs JavaScript Variables

Data Attributes for Configuration

Data Attributes for State

Performance Considerations

Data Attribute Best Practices

Working with CSS Classes

1 Topics

Class Manipulation

17 Sub-topics

className Property

Limitations of className

classList Property Introduction

classList.add Method

Adding Multiple Classes

classList.remove Method

Removing Multiple Classes

classList.toggle Method

Toggle with Force Parameter

classList.contains Method

classList.replace Method

classList.item Method

Iterating Over classList

classList Length Property

Dynamic Class Management

Class-Based State Management

CSS Class Best Practices

Working with Inline Styles

2 Topics

Style Property

12 Sub-topics

style Property Introduction

Reading Inline Styles

Setting Inline Styles

CSS Property Name Conversion

Camel Case CSS Properties

style.cssText Property

Removing Inline Styles

style.setProperty Method

style.getPropertyValue Method

style.removeProperty Method

CSS Custom Properties via Style

Priority and !important

Computed Styles

6 Sub-topics

getComputedStyle Function

Reading Computed Styles

Computed vs Inline Styles

Pseudo-Element Styles

Style Manipulation Performance

When to Use Inline Styles

0.0

Course Rating

No reviews yet. Be the first to review this course!

Frequently Asked Questions

No FAQs for this course yet.

Preview this course

₹3,499 ₹5,249 33% OFF

Lifetime access to all materials

Certificate of completion

Available in multiple languages

Access on mobile & desktop

7-Day Money-Back Guarantee Not satisfied? Get a full refund within 7 days, no questions asked. Zero risk.

JavaScript DOM Manipulation Complete Guide

Certificate of Completion

Course Curriculum

Student Reviews

Frequently Asked Questions

Start Your Journey Today

JavaScript DOM Manipulation Complete Guide

Certificate of Completion

Course Curriculum

Student Reviews

Frequently Asked Questions

Related Courses

CSS Preprocessors Comparison

HTML Forms Mastery

HTML Migration and Legacy Systems

Start Your Journey Today