Missing Terms Tracker

This file tracks terms that were referenced in cross-links but did not exist in the original curriculum, and have now been officially generated and added.

• ECMAScript (Level 1)
• Logical Operators (Level 2)
• First-Class Function (Level 3)
• JavaScript Engine (Level 5)
• Execution Context (Level 5)
• BigInt (Level 1)
• Dynamic & Weak Typing (Level 1)
• Operator (Level 1)
• Arithmetic Operators (Level 1)
• Increment / Decrement (++ / --) (Level 1)
• Assignment Operators (Level 1)
• Comparison Operators (Level 1)
• Strict vs Loose Equality (=== vs ==) (Level 1)
• Ternary / Conditional Operator (? :) (Level 1)
• Operator Precedence & Associativity (Level 1)
• NaN (Level 1)
• Infinity / -Infinity (Level 1)
• Automatic Semicolon Insertion (ASI) (Level 1)
• break / continue (Level 2)
• Array Index & .length (Level 2)
• Property Access (dot vs bracket notation) (Level 2)
• String Methods (Level 2)
• Number Methods & Parsing (Level 2)
• Math object (Level 2)
• Date object (Level 2)
• Recursion (Level 3)
• Lexical (Static) Scope / Environment (Level 3)
• Pure Function & Side Effects (Level 3)
• Anonymous Function (Level 3)
• Mutating vs Non-mutating Methods (Level 4)
• push / pop / shift / unshift (Level 4)
• slice / splice (Level 4)
• concat / join / split (Level 4)
• indexOf / includes / findIndex (Level 4)
• sort / reverse (Level 4)
• flat / flatMap (Level 4)
• Array.from / Array.of / Array.isArray (Level 4)
• Method Chaining (Level 4)
• window object / BOM (Level 5)
• document object (Level 5)
• querySelectorAll & NodeList (Level 5)
• getElementById / getElementsByClassName (Level 5)
• DOM Traversal (Level 5)
• DOM Manipulation (createElement, appendChild, remove) (Level 5)
• innerHTML / textContent / innerText (Level 5)
• classList & setAttribute/getAttribute (Level 5)
• Event object (Level 5)
• event.target vs event.currentTarget (Level 5)
• DOMContentLoaded / load events (Level 5)
• Web Storage (localStorage / sessionStorage) (Level 5)
• Timers (setTimeout / setInterval / clearTimeout) (Level 5)
• Promise.resolve / Promise.reject (Level 6)
• Promise Chaining (Level 6)
• Promise.all / allSettled / race / any (Level 6)
• Error Handling (try/catch/finally) (Level 6)
• throw statement (Level 6)
• Error object & Error Types (Level 6)
• try/catch with async/await (Level 6)
• AbortController (Level 6)
• for await...of / Async Iterators (Level 6)
• Web Workers (Level 6)