Explanation: When only one operand is a primitive string, the + operator will coerce the other into String and will then concatenate both resulting strings together:
123 + 'abc'; => "123abc"
'abc' + 123; => "abc123"
- Title Page
- Copyright and Credits
- About Packt
- Contributors
- Preface
- Section 1: What is Clean Code Anyway?
- Setting the Scene
- The Tenets of Clean Code
- The Enemies of Clean Code
- SOLID and Other Principles
- Naming Things Is Hard
- Section 2: JavaScript and Its Bits
- Primitive and Built-In Types
- Dynamic Typing
- Operators
- What is an operator?
- Arithmetic and numeric operators
- Logical operators
- Comparative operators
- Assignment operators
- Property access operators
- Other operators and syntax
- Bitwise operators
- Summary
- Parts of Syntax and Scope
- Control Flow
- Section 3: Crafting Abstractions
- Design Patterns
- Real-World Challenges
- Section 4: Testing and Tooling
- The Landscape of Testing
- Writing Clean Tests
- Tools for Cleaner Code
- Section 5: Collaboration and Making Changes
- Documenting Your Code
- Other Peoples' Code
- Communication and Advocacy
- Case Study
- Other Books You May Enjoy
One operand is a string
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