What is type coercion in JavaScript?
104 Sep 2024
Understanding Type Coercion in JavaScript
Type coercion is a fundamental concept in JavaScript where the language automatically converts values from one type to another. This often happens when performing operations with mixed types.
Examples of Type Coercion
- String to Number: When adding a number to a string, JavaScript tries to convert the string to a number.
- Boolean Context: In contexts requiring a boolean value, such as conditional statements, JavaScript coerces values to true or false.
Explicit vs Implicit Coercion
- Implicit Coercion: This is done automatically by JavaScript.
- Explicit Coercion: Developers can manually convert values using functions like
Number()
,String()
, andBoolean()
.
Understanding type coercion helps in avoiding unexpected results and bugs in your JavaScript code. Make sure to use explicit coercion when necessary to ensure code clarity and correctness.
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