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Javascript Deep Dive

This document is written to help JavaScript developers to understand JavaScript's weird parts deeply and to prepare for interviews, the following resources was really helpful to write this document:

• ECMAScript 6 Language specification
• ECMAScript 5 Language specification
• MDN
• The Modern JavaScript Tutorial

General Notes

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DOM Performance

• How the browser renders the document
  • Receives the data (bytes) from the server.
  • Parses and converts into tokens (<, TagName, Attribute, AttributeValue, >).
  • Turns tokens into nodes.
  • Turns nodes into the DOM tree.
• Builds CSSOM tree from the css rules.

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Instead of writing a long article I wrote this summary to give a good overview about software systems scalability by listing the main terms and methodologies that widely used to build stable systems that are able to scale and handle the increasing amont of users and data.

Index

• Scalability
• Terms System Quality Attributes
• Failover
• Load Balancer
• MapReduce
• Caching

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#!/usr/bin/env node

/**
 * Azhan
 * Display prayer times for today from IZDB
 * 
 * Installation
 * - Install Node.js
 * - Create a directory and execute `npm init --yes`
 * - CD to the directory and execute `npm install --save table chalk`

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#!/usr/bin/env node

/**
 * Commit message hook script to prefix Git commit messages
 * with the Jira ticket Id taken from the current branch name
 * 
 * # Requirements
 * - git 2.9+ (which supports global hooks)
 * 
 * # Installation