Xah Web Dev Blog Archive 2023-01

• HTML: Syntax Basics

quite amazing, of the past 30 years, the only website that still did not require JavaScript is amazon.

• JS: RegExp Tutorial
• HTML: Definition List: dl dt dd

• Brendan Eich on Fixing JavaScript String Methods Fail on Emoji

• Twitter Card and OpenGraph

• HTML Link Problem, _blank noopener noreferrer

• Windows User Interface Design: Accidental Hide Windows

• 🆕 Deno: Read File

• JS: String.prototype.split
• JS: String Operations

• JS: Destructuring Assignment

• Font Size Survey 2023
• Font Size Problem: CSS Size vs Visual Size

• CSS: Variable (Custom Property)
• HTML: the Root Element
• CSS: Computed Style

• 2023-11-15 brave browser now has a ai chatbot called Leo.

updates

• JS: Array Tutorial
• JS: Array.prototype.slice
• JS: Array.prototype.splice
• JS: Array.prototype.flatMap
• JS: Array.prototype.copyWithin

• JS: Object Tutorial
• JS: let

• CSS: Selector: Match Tag Name

• JS: Xah Functions

• JS: Timing, Benchmark Functions

• JS: Array.prototype.fill
• JS: Array Constructor
• JS: Sparse Array

• JS: Array Tutorial
• JS: for-of Loop
• JS: Reflect.construct

• JS: Array.prototype.flat
• JS: Array.prototype.flatMap

• JS: Convert Decimal, Hexadecimal
• 🆕 JS: Convert Decimal, Binary

• JS: Number.prototype.toString (Number to String)

updates

• JS: Xah Functions
• JS: Swap Object Key Value 📜
• JS: Semicolon

minor updates. added tip icon and warning icon.

• JavaScript Basics
• JS: Conditional. if then else
• JS: Object Literal Expression
• JS: let
• JS: in (operator) 👎
• JS: for-in Loop 👎
• JS: delete (operator) 👎
• JS: var 👎
• JS: var Declaration Order (Name Hoisting)
• JS: Symbol Tutorial

• JS: arguments (object)
• JS: Function. Declaration vs Expression
• JS: Strict Mode

• JS: Array.prototype.sort
• JS: Test Array Equality
• JS: Test Equality
• JS: Double Equal Operator
• JS: Difference Between window.isNaN vs Number.isNaN

• JS: typeof Operator
• JS: What is Constructor
• JS: instanceof (operator)
• JS: typeof, instanceof, .constructor

JS: Object.isExtensible
• JS: Object.preventExtensions
• JS: Object.isExtensible
• JS: Object.seal
• JS: Prevent Adding Property
• JS: Object.getOwnPropertyDescriptor
• JS: Function.prototype.apply vs Function.prototype.call

• JS: Get Set Prototype
• JS: Object.prototype.__proto__
• JS: Prototype and Inheritance
• JS: Add Method to Prototype

• JS: RegExp.prototype.exec
• JS: String.prototype.match
• JS: String.prototype.matchAll
• JS: RegExp Flag

• JS: Date Tutorial
• JS: Date.parse

• JS DOM: Load Order, defer, async, module
• JS DOM: Element Attribute Methods
• JS DOM: Node value

• HTML: Nested List
• HTML: Figure Tag

• CSS: Length Units
• CSS: Reset, Default Values
• CSS: Percentage Value

• reviving this blog.
• because i find it convenient to put webdev related stuff here, e.g. JavaScript CSS HTML.