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8/29/2025 • EN

A beginner's guide to JavaScript exceptions, covering error handling, the Error class, and stack traces for web development.

classes error handling Exceptions Instanceof JavaScript

2/23/2021 • EN

Explains Java's type pattern matching with instanceof, a feature from recent Java versions, using examples to simplify type checking and casting.

Instanceof Java Pattern Matching Type Patterns

11/24/2020 • EN

Explains how to use JavaScript's typeof and instanceof operators for type checking, including quirks like typeof null.

Instanceof JavaScript Operators type checking Typeof

6/30/2020 • EN

Explains three methods to check if a variable is an array in JavaScript: Array.isArray(), instanceof, and Object.prototype.toString.call().

Arrayisarray arrays Instanceof JavaScript type checking

12/3/2019 • EN

Explains the confusing edge cases and pitfalls of JavaScript's typeof and instanceof operators for type checking, with practical workarounds.

Dynamic Typing Instanceof JavaScript type checking Typeof

7/6/2015 • EN

Explores static and dynamic casting in Java, focusing on improvements for Streams and Optionals in Java 8 and beyond.

Casting Class Instanceof Java Type Conversion

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