Tag: javascript — Code Glossary

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Most referenced — #javascript

CSRF Token Handling in Fetch & Axios 3 Fetch API & HTTP Requests 3 Functional Array Methods (JS) 2 Custom Events & EventTarget API 1 Temporal Dead Zone (TDZ) 1 ReferenceError — Undefined Variables 1 undefined vs null — Subtle Differences 1 Prototype Chain Errors & hasOwnProperty 1

CSRF Token Handling in Fetch & Axios 2 BigInt — Arbitrary Precision Integers 2 Performance API & User Timing 2 Destructuring & Spread (JS) 1 DOM Manipulation 1 package.json & npm — Alongside composer.json 1 Intersection Observer API 1 Prototypal Inheritance 1

CSRF Token Handling in Fetch & Axios 111Page Visibility API 94 Custom Events & EventTarget API 61 Touch Events & Pointer Events 61 Accidental Object Mutation Bugs 53 Destructuring & Spread (JS) 46 Intersection Observer API 35 Intl API 34

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crawler 2.6k crawler_json 158 pre-tracking 113

Tag total2.9k pings Terms pinged109 / 109 Distinct agents13

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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Snapshot Testing PHP 7.0+

A technique that captures the serialised output of a component or function on first run, then compares future runs against that snapshot — detecting unintended changes.

2mo ago testing intermediate

structuredClone & Deep Copying ES2021

structuredClone() is the modern native way to deep clone JavaScript objects — replacing JSON.parse(JSON.stringify()) and lodash cloneDeep for most use cases.

2mo ago javascript intermediate

this Binding in JavaScript ES5

this is determined by how a function is called — call site, not definition site — with arrow functions as the exception (lexical this).

2mo ago javascript intermediate

Transpilation

Converting source code from one language or version to another at the same abstraction level — Babel transpiles modern JS to older JS, Rector transpiles old PHP to new PHP.

2mo ago compiler intermediate

TypeScript Type System 2.0

TypeScript adds static types to JavaScript — catching type errors at compile time rather than runtime, while remaining a superset that compiles to plain JavaScript.

2mo ago typescript intermediate

Web Components ES2018

A suite of native browser APIs (Custom Elements, Shadow DOM, HTML Templates) for creating reusable, encapsulated HTML elements without frameworks.

2mo ago frontend advanced

Web Storage, IndexedDB & Cookies HTML5

Three client-side storage mechanisms: localStorage (persistent key-value), sessionStorage (tab-scoped), and IndexedDB (structured, queryable) — each suited to different data sizes and use cases.

2mo ago javascript intermediate

Web Workers ES2015

Background threads in the browser that run JavaScript without blocking the main thread — essential for CPU-intensive tasks that would otherwise freeze the UI.

2mo ago javascript advanced

RangeError — Stack Overflow & Invalid Values ES5

RangeError is thrown when a value is outside its allowed range — most commonly from infinite recursion (stack overflow) or invalid array/string sizes.

javascript intermediate

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