Learn ECMAScript : discover the latest ECMAScript features in order to write cleaner code and learn the fundamentals of JavaScript /

Annotation

Библиографические подробности
Главные авторы: Mohan, Mehul (Автор), Prusty, Narayan (Автор)
Формат: Licensed eBooks
Язык:английский
Опубликовано: Birmingham, UK : Packt Publishing, 2018.
Редактирование:Second edition.
Online-ссылка:https://search.ebscohost.com/login.aspx?direct=true&scope=site&db=nlebk&AN=1728044
Оглавление:
  • Cover
  • Title Page
  • Copyright and Credits
  • PacktPub.com
  • Contributors
  • Table of Contents
  • Preface
  • Chapter 1: Getting Started with ECMAScript
  • The let keyword
  • Declaring function-scoped variables
  • Declaring block-scoped variables
  • Re-declaring variables
  • Closures and let keyword
  • The const keyword
  • The scope of const variables
  • Referencing objects using constant variables
  • When to use var/let/const
  • Let versus var versus const performance benchmarks
  • Immutability in JavaScript
  • Object.freeze versus const
  • Default parameter values
  • The spread operator
  • Other uses of the spread operator
  • Making array values a part of another array
  • Pushing the values of an array into another array
  • Spreading multiple arrays
  • The rest parameter
  • Hoisting
  • Destructuring assignments
  • The array destructuring assignment
  • Ignoring values
  • Using the rest operator in an array destructuring assignment
  • Default values for variables
  • Nested array destructuring
  • Using a destructuring assignment as a parameter
  • Object destructuring assignments
  • Default values for variables
  • Destructuring nested objects
  • Using the object destructuring assignment as a parameter
  • Arrow functions
  • The value of "this" in an arrow function
  • Other differences between arrow and traditional functions
  • Enhanced object literals
  • Defining properties
  • Defining methods
  • Computed property names
  • Trailing commas and JavaScript
  • The semicolon dilemma
  • Automatic semicolon insertion in JavaScript
  • Where to insert semicolons in JavaScript?
  • Summary
  • Chapter 2: Knowing Your Library
  • Working with numbers
  • The binary notation
  • The octal notation
  • The Number.isInteger(number) method
  • The Number.isNaN(value) method
  • isNaN versus Number.isNaN
  • The Number.isFinite(number) method.
  • The Number.isSafeInteger(number) method
  • The Number.EPSILON property
  • Doing math
  • Trigonometry-related operations
  • Arithmetic-related operations
  • Exponential operator
  • Miscellaneous math methods
  • The Math.imul(number1, number2) function
  • The Math.clz32(number) function
  • The Math.sign(number) function
  • The Math.trunc(number) function
  • The Math.fround(number) function
  • Working with strings
  • The repeat(count) method
  • The includes(string, index) method
  • The startsWith(string, index) method
  • The endsWith(string, index) function
  • The indexOf(string) function
  • The lastIndexOf(string)
  • The padStart(length [, padString])
  • The padEnd(length [, padString])
  • Template strings
  • Expressions
  • Tagged template literals
  • Multiline strings
  • Raw strings
  • Escape sequence problem with template literals
  • Arrays
  • The Array.from(iterable, mapFunc, this) method
  • The Array.of(values...) method
  • The fill(value, startIndex, endIndex) method
  • The includes() method
  • The includes() versus the indexOf() method
  • The find(testingFunc) method
  • The findIndex(testingFunc) method
  • The copyWithin(targetIndex, startIndex, endIndex) function
  • The entries(), keys(), and values() methods
  • Array iteration
  • The map() method
  • The filter() method
  • forEach() method
  • some() method
  • Collections
  • ArrayBuffer
  • Typed arrays
  • Set
  • WeakSet
  • Map
  • WeakMap
  • Objects
  • Object.values()
  • Object.entries()
  • The __proto__ property
  • The Object.is(value1, value2) method
  • The Object.setPrototypeOf(object, prototype) method
  • The Object.assign(targetObj, sourceObjs...) method
  • Object.getOwnPropertyDescriptors()
  • Summary
  • Chapter 3: Using Iterators
  • Symbols
  • primitive data type
  • The typeof operator
  • The new operator
  • Using symbols as the object property keys
  • The Object.getOwnPropertySymbols() method.
  • The Symbol.for(string) method
  • Well-known symbols
  • The iteration protocol
  • The iterator protocol
  • The iterable protocol
  • Generator function
  • The return(value) method
  • The throw(exception) method
  • The yield* keyword
  • The for...of loop
  • Tail call optimization
  • Why tail call optimization?
  • Converting non-tail calls into tail calls
  • Summary
  • Chapter 4: Asynchronous Programming
  • JavaScript execution model
  • The event loop
  • The call stack
  • Stack, queue, and Web APIs
  • Writing asynchronous code
  • Asynchronous code involving events
  • Asynchronous code involving callbacks
  • Promises and async programming
  • Promise states
  • Promises versus callbacks
  • Promise constructor and (resolve, reject) methods
  • The then(onFulfilled, onRejected) method
  • The catch(onRejected) method
  • The Promise.resolve(value) method
  • The Promise.reject(value) method
  • The Promise.all(iterable) method
  • The Promise.race(iterable) method
  • async/await - the future of asynchronous programming
  • async/await versus promises
  • The async function and await keyword
  • Making asynchronous code look synchronous
  • Summary
  • Chapter 5: Modular Programming
  • JavaScript modules 101
  • Implementing modules - the old way
  • Immediately-Invoked Function Expression (IIFE)
  • Asynchronous Module Definition (AMD)
  • CommonJS
  • exports versus module.exports
  • Universal Module Definition (UMD)
  • Implementing modules
  • the new way
  • Importing/exporting modules
  • Named versus default exports
  • Naming named imports
  • Wildcard imports
  • Additional information on export
  • Additional information on import
  • Tree shaking
  • How tree shaking is performed
  • Using modules on the web
  • Summary
  • Chapter 6: Implementing the Reflect API
  • The Reflect object
  • The Reflect.apply(function, this, args) method.
  • The Reflect.construct(constructor, args, prototype) method
  • The Reflect.defineProperty(object, property, descriptor) method
  • Understanding the data properties and accessor properties
  • The Reflect.deleteProperty(object, property) method
  • The Reflect.get(object, property, this) method
  • The Reflect.set(object, property, value, this) method
  • The Reflect.getOwnPropertyDescriptor(object, property) method
  • The Reflect.getPrototypeOf(object) method
  • The Reflect.setPrototypeOf(object, prototype) method
  • The Reflect.has(object, property) method
  • The Reflect.isExtensible(object) method
  • The Reflect.preventExtensions(object) method
  • The Reflect.ownKeys(object) method
  • Summary
  • Chapter 7: Proxies
  • Proxies in a nutshell
  • Terminology for proxies
  • Working with the Proxy API
  • Proxy traps
  • The get(target, property, receiver) method
  • Rules for using get trap
  • The set(target, property, value, receiver) method
  • Rules for using set trap
  • The has(target, property) method
  • Rules for using has trap
  • The isExtensible(target) method
  • Rule for using isExtensible trap
  • The getPrototypeOf(target) method
  • Rules for using getPrototypeOf trap
  • The setPrototypeOf(target, prototype) method
  • Rule for using setPrototypeOf trap
  • The preventExtensions(target) method
  • Rule for using preventExtensions trap
  • The getOwnPropertyDescriptor(target, property) method
  • Rules for using getOwnPropertyDescriptor trap
  • The defineProperty(target, property, descriptor) method
  • Rule for using defineProperty
  • The deleteProperty(target, property) method
  • Rule for deleteProperty trap
  • The ownKeys(target) method
  • Rules for using ownKeys trap
  • The apply(target, thisValue, arguments) method
  • The construct(target, arguments) method
  • The Proxy.revocable(target, handler) method
  • Use case of revocable proxy.
  • The uses of proxies
  • Summary
  • Chapter 8: Classes
  • Understanding object-oriented JavaScript
  • The JavaScript data types
  • Creating objects
  • Understanding the prototypal inheritance model
  • The constructors of primitive data types
  • Using classes
  • Defining a class
  • The class declaration
  • The class expression
  • The prototype methods
  • Getters and setters
  • The generator method
  • Static methods
  • Implementing inheritance in classes
  • Computed method names
  • The attributes of properties
  • Classes are not hoisted!
  • Overriding the result of the constructor method
  • The Symbol.species static accessor property
  • The new.target implicit parameter
  • Using super in object literals
  • Summary
  • Chapter 9: JavaScript on the Web
  • HTML5 and the rise of modern JavaScript
  • The HTML DOM
  • What is the Document Object Model (DOM)?
  • DOM methods/properties
  • Using the getElementById method
  • Using the getElementsByTagName method
  • Using the getElementsByClassName method
  • Using the querySelector method
  • Using the querySelectorAll method
  • Modern JavaScript browser APIs
  • Page Visibility API
  • is the user still on the page?
  • navigator.onLine API - the user's network status
  • Clipboard API
  • programmatically manipulating the clipboard
  • The Canvas API
  • the web's drawing board
  • The Fetch API
  • promise-based HTTP requests
  • Fetch API customization
  • Accessing and modifying history with the history API
  • Handling window.onpopstate events
  • Modifying history
  • the history.go(distance) method
  • Jumping ahead
  • the history.forward() method
  • Going back
  • the history.back() method
  • Pushing on the history
  • history.pushState()
  • Pushing on the history stack
  • history.replaceState()
  • Summary
  • Chapter 10: Storage APIs in JavaScript
  • HyperText Transfer Protocol (HTTP)
  • What is a TLS/SSL handshake?.

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