Não confunda mais .apply, .call e .bind
📰 Medium · JavaScript
Learn the differences between .call, .apply, and .bind in JavaScript and how to use them to control function context and execution timing
Action Steps
- Define a function with a specific context using the this keyword
- Use .call to execute a function immediately with a given context and arguments
- Use .apply to execute a function immediately with a given context and an array of arguments
- Use .bind to create a new function with a frozen context and optional partial arguments
- Test the differences between .call, .apply, and .bind with example code
Who Needs to Know This
Software engineers and developers benefit from understanding these methods to write more effective and efficient JavaScript code, especially when working with functions and object contexts
Key Insight
💡 The key difference between .call, .apply, and .bind is when and how they execute a function, with .call and .apply executing immediately and .bind creating a new function for later execution
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💡 Master .call, .apply, and .bind in JavaScript to control function context and execution timing!
Key Takeaways
Learn the differences between .call, .apply, and .bind in JavaScript and how to use them to control function context and execution timing
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