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

Difference: 1. size() is a function provided by jQuery, and length is a property. 2. Size() is a method for operating object instances. It is defined in jQuery and can only be used under jQuery; length is defined in dom and javascript and can be used without jQuery.

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size() method returns the elements matched by the jQuery selector quantity.

The length property contains the number of elements in the jQuery object.

The difference between size() and length in jquery

size() is a function provided by jQuery, and length is an attribute (without brackets).

size() is a method for operating object instances. It is defined in jQuery and can only be used under jQuery; length is a property, defined in dom and javascript, and can be used without jQuery.

For tag object elements, for example, counting how many paragraph elements there are in the html page

, then $("p").size()==$("p ").length

To calculate the length of a string or the number of elements in an array, you can only use length instead of size()

Explanation:

.size() This method does not accept any parameters. The

.size() method has been deprecated since jQuery 1.8. Use the .length property instead.

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