优化教程翻译 #853

本教程经过全面优化，除了下列未勾选章节，均已优化完毕，敬请期待 😄

Storing data in the browser

• IndexedDB

Animation

• Bezier curve
• CSS-animations
• JavaScript animations

Web components

• From the orbital height
• Custom elements
• Shadow DOM
• Template element
• Shadow DOM slots, composition
• Shadow DOM styling
• Shadow DOM and events

Regular expressions

• Patterns and flags
• Character classes
• Unicode: flag "u" and class \p{...}
• Anchors: string start ^ and end $
• Multiline mode of anchors ^ $, flag "m"
• Word boundary: \b
• Escaping, special characters
• Sets and ranges [...]
• Quantifiers +, *, ? and {n}
• Greedy and lazy quantifiers
• Capturing groups
• Backreferences in pattern: \N and \k<name>
• Alternation (OR) |
• Lookahead and lookbehind
• Catastrophic backtracking
• Sticky flag "y", searching at position
• Methods of RegExp and String