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Difference between size() and length() method in jQuery?

Ethan Karla 281 28-Jul-2021

What is the difference between size() and length() method in jQuery?

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Updated on 28-Nov-2023
Ethan Karla

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An enthusiastic, adaptive, and fast-learning person with a broad and acute interest in the discovery of new innovative drugs, I particularly enjoy collaborating with scientists from different disciplines to develop new skills and solve new challenges.

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Aryan Kumar

Aryan Kumar

28-Nov-2023

In jQuery, both size() and length are used to determine the number of elements in a set, but there's a key difference between them.

size() method:

  • The size() method is used to get the number of elements in the matched set.
  • It returns an integer representing the number of elements.

length property:

  • The length property is a property of the jQuery object and provides the same functionality as size().
  • It directly retrieves the number of elements without the need for a method.

In practice, the length property is more commonly used because it's simpler and performs better. Both size() and length will give you the count of elements in the jQuery object. Choose either based on your preference, but length is generally favored for its simplicity and efficiency.

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