What are the differences between forEach and for...of in JavaScript?
An example of an AI chatbot conversation about the differences between forEach and for...of in JavaScript.
Can you explain the differences between forEach and for...of in JavaScript?
Sure! The forEach method is used to execute a function on each element of an array, while for...of is used to iterate over iterable objects like arrays, strings, and more.
Are there any performance differences between the two?
Yes, forEach can be slower than for...of because forEach creates a function scope for each iteration, while for...of uses a simpler iteration mechanism.
Can I use break or continue with forEach?
No, you cannot use break or continue with forEach. If you need to exit the loop early, for...of is a better choice.
Which one should I use in my code?
It depends on your needs. Use forEach for executing a function on each element, and for...of for more control over the loop.
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