Advanced terms
JavaScript Proxy Object
ES2015
Proxy wraps an object to intercept fundamental operations like property access, assignment, and function calls via trap handlers.
4w ago
javascript advanced
JIT Compiler Introduction (PHP 8.0)
PHP 8.0+
PHP 8.0's JIT (Just-In-Time) compiler compiles hot bytecode to native machine code at runtime — significant gains for CPU-bound tasks, minimal gains for typical web requests.
3mo ago
php advanced
JavaScript Generators
ES2015
1
Functions that can pause execution and yield values on demand — enabling lazy sequences, infinite iterables, and cooperative async control flow.
3mo ago
javascript advanced
JIT Compilation
PHP 8.0+
5
Just-in-Time compilation converts hot bytecode paths to native machine code at runtime — trading startup time for faster execution of frequently run code.
3mo ago
compiler advanced
JIT Compiler (PHP 8.0)
PHP 8.0+
PHP's Just-In-Time compiler translates hot bytecode to native machine code at runtime, speeding CPU-bound workloads significantly.
3mo ago
php advanced
JWT Deep Dive
PHP 7.0+
JSON Web Tokens carry signed (or encrypted) claims — three Base64url-encoded sections: header.payload.signature. Security depends entirely on algorithm choice and verification correctness.
3mo ago
cryptography advanced