Название: jаvascript & DOM Tips, Tricks, and Techniques (Volume 3) Автор: Louis Lazaris Издательство: Leanpub Год: 2019-04-01 Страниц: 131 Язык: английский Формат: pdf (true), mobi, epub Размер: 10.1 MB
This is a collection of jаvascript and DOM scripting applicable to all levels of jаvascript and front-end development. Most of the tips cover techniques and technologies that work in all modern browsers and most older browsers. This is a collection of jаvascript and DOM scripting applicable to all levels of jаvascript and front-end development. Most of the tips cover techniques and technologies that work in all modern browsers and most older browsers.
• Preface • String.prototype.link() • innerHTML and the DOM • Attaching Properties to Functions • Using the delete Operator • Arguments Aliasing Removed in Strict Mode • parentNode • The form Property on Input Elements • getComputedStyle() for Fonts • HTML Comments in jаvascript • Optional Parameters for Window.setTimeout() • history.back with iframes • Understanding the Callstack • Tips on Using const • The for...of Loop • ES6 String Methods • String.repeat() • Nested Template Literals • Using function.length with the Rest Operator • SEO-Friendly Ajax States • Objects in ES6 • The Comma Operator • ES6 Object Destructuring • Destructuring Assignment • ES6 Object Destructuring with Nested Objects • ES6 Array Destructuring • Array Destructuring Swap • Destructuring in Function Arguments • ES5 Multi-line Strings • Computed Object Properties in ES6 • ES6 Sets • More Tips on Using ES6 Sets • Array.of() in ES6 • Array.from() in ES6 • Array.from() Map Function • Array.from() and the Optional this Value • Array.find() and Array.findIndex() • ESx Naming vs. ES20xx Naming • A Simple Introduction to Closures in jаvascript • HTML Collections • DOM Scripting on Malformed or Invalid HTML • A Little-known Fact About Hoisting • Getting the Value of a Selected Radio Button • The querySelector() Single-Byte Trick • Triggering a Click Event • The focusin and focusout Events • Intro to ES6 Modules • More on ES6 Modules • Importing a Full Module • Renaming Module Exports • jаvascript Errors and the Error Object • Some Facts on ES6 Arrow Functions • Default Exports in ES6 Modules • An Intro to the Page Visibility API • Using document.domain for Cross-origin Requests • What is JSON? An Introduction and Guide for Beginners • JSON Defined • A Brief History of JSON • How is JSON Different from a jаvascript Object? • How Should JSON be Stored? • Using JSON.stringify() • Using JSON.parse() • Using jаvascript to Manipulate JSON • Is JSON Better Than XML? • What is JSONP? • How Does JSONP Work? • JSON Tools • Conclusion • Using Default Parameters in ES6 • Default Parameters in ES5 and Earlier • Default Parameters in ES6 • Dealing With Omitted Values • Default Parameter Values and the arguments Object • Expressions as Default Parameters • Conclusion • An Introduction and Guide to the CSS Object Model (CSSOM) • What is the CSSOM? • Inline Styles via element.style • Getting Computed Styles • Getting Computed Styles of Pseudo-Elements • The CSSStyleDeclaration API • setProperty(), getPropertyValue(), and item() • Using removeProperty() • Getting and Setting a Property’s Priority • The CSSStyleSheet Interface • Working with a Stylesheet Object • Accessing @media Rules with the CSSOM • Accessing @keyframes Rules with the CSSOM • Adding and Removing CSS Declarations • Revisiting the CSSStyleDeclaration API • The CSS Typed Object Model… The Future? • Final Words • More Weekly Tips! • About the Author
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Название: jаvascript & DOM Tips, Tricks, and Techniques (Volume 3)