JavaScript Specialist (1D0-735)
1 Introduction to JavaScript
1-1 Overview of JavaScript
1-2 History and Evolution of JavaScript
1-3 JavaScript in Web Development
2 JavaScript Syntax and Basics
2-1 Variables and Data Types
2-2 Operators and Expressions
2-3 Control Structures (if, else, switch)
2-4 Loops (for, while, do-while)
2-5 Functions and Scope
3 Objects and Arrays
3-1 Object Basics
3-2 Object Properties and Methods
3-3 Array Basics
3-4 Array Methods and Manipulation
3-5 JSON (JavaScript Object Notation)
4 DOM Manipulation
4-1 Introduction to the DOM
4-2 Selecting Elements
4-3 Modifying Elements
4-4 Event Handling
4-5 Creating and Removing Elements
5 Advanced JavaScript Concepts
5-1 Closures
5-2 Prototypes and Inheritance
5-3 Error Handling (try, catch, finally)
5-4 Regular Expressions
5-5 Modules and Namespaces
6 ES6+ Features
6-1 let and const
6-2 Arrow Functions
6-3 Template Literals
6-4 Destructuring
6-5 Spread and Rest Operators
6-6 Promises and AsyncAwait
6-7 Classes and Inheritance
7 JavaScript Libraries and Frameworks
7-1 Overview of Popular Libraries (e g , jQuery)
7-2 Introduction to Frameworks (e g , React, Angular, Vue js)
7-3 Using Libraries and Frameworks in Projects
8 JavaScript in Modern Web Development
8-1 Single Page Applications (SPAs)
8-2 AJAX and Fetch API
8-3 Web Storage (localStorage, sessionStorage)
8-4 Web Workers
8-5 Service Workers and Progressive Web Apps (PWAs)
9 Testing and Debugging
9-1 Introduction to Testing
9-2 Unit Testing with JavaScript
9-3 Debugging Techniques
9-4 Using Browser Developer Tools
10 Performance Optimization
10-1 Code Optimization Techniques
10-2 Minification and Bundling
10-3 Memory Management
10-4 Performance Monitoring Tools
11 Security in JavaScript
11-1 Common Security Threats
11-2 Best Practices for Secure Coding
11-3 Cross-Site Scripting (XSS) Prevention
11-4 Cross-Site Request Forgery (CSRF) Prevention
12 JavaScript Best Practices
12-1 Code Organization and Structure
12-2 Writing Clean and Maintainable Code
12-3 Documentation and Code Comments
12-4 Version Control with Git
13 Case Studies and Projects
13-1 Building a Simple Web Application
13-2 Integrating JavaScript with APIs
13-3 Real-World JavaScript Applications
14 Certification Exam Preparation
14-1 Exam Format and Structure
14-2 Sample Questions and Practice Tests
14-3 Study Tips and Resources
Performance Monitoring Tools Explained

Performance Monitoring Tools Explained

Key Concepts

Google Lighthouse

Google Lighthouse is an open-source, automated tool for improving the quality of web pages. It provides audits for performance, accessibility, progressive web apps, SEO, and more.

Example: Think of Lighthouse as a comprehensive health check-up for your website, providing detailed reports on various aspects of its performance.

WebPageTest

WebPageTest is a tool that provides detailed performance analysis of web pages. It allows you to test your website from multiple locations around the world using real browsers.

Example: WebPageTest is like a speed camera that captures how fast your website loads from different parts of the world, providing a detailed snapshot of its performance.

PageSpeed Insights

PageSpeed Insights is a tool by Google that analyzes the content of a web page and then generates suggestions to make that page faster.

Example: PageSpeed Insights is like a personal trainer for your website, offering tailored advice to help it run faster and more efficiently.

GTmetrix

GTmetrix is a tool that analyzes your page's speed performance. It combines the data from PageSpeed and YSlow to grade your site's performance and provides actionable recommendations.

Example: GTmetrix is like a report card for your website, grading its performance and offering suggestions for improvement.

Pingdom

Pingdom is a tool that monitors the uptime and performance of websites. It provides real-time monitoring and alerts when your site goes down.

Example: Pingdom is like a security guard for your website, continuously monitoring its status and sounding the alarm if anything goes wrong.

New Relic

New Relic is a performance monitoring tool that provides real-time insights into the performance of applications and infrastructure. It helps in identifying and resolving issues quickly.

Example: New Relic is like a dashboard that gives you real-time updates on your car's performance, helping you identify and fix any issues immediately.

Datadog

Datadog is a monitoring and analytics platform for large-scale applications. It provides insights into the performance and availability of applications, infrastructure, and cloud services.

Example: Datadog is like a control room for your website, providing a comprehensive view of its performance and helping you manage it effectively.

Dynatrace

Dynatrace is an application performance management tool that provides deep insights into the performance of applications and infrastructure. It uses AI to automatically detect and resolve issues.

Example: Dynatrace is like an AI-powered mechanic for your website, automatically diagnosing and fixing performance issues.

AppDynamics

AppDynamics is an application performance management tool that provides real-time monitoring and analytics for applications. It helps in identifying and resolving performance issues quickly.

Example: AppDynamics is like a real-time GPS for your website, providing continuous updates on its performance and helping you navigate through any issues.

Splunk

Splunk is a tool that provides machine data analytics. It helps in monitoring, searching, analyzing, and visualizing machine-generated data to gain operational intelligence.

Example: Splunk is like a data scientist for your website, analyzing vast amounts of data to provide actionable insights and improve performance.