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What does jquery filtering include?

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2023-06-13 09:24:191315browse

jquery filter includes: 1. ":first", used to select the first matching element; 2. ":last", used to select the last matching element; 3. ":even", used For selecting matching elements with even index values, the index value starts from 0; 4. ":odd", used for selecting matching elements with odd index values, and the index value starts from 0; 5. ":lt(n)", Used to select all matching elements with index values ​​less than n; 6. ":not(selector)", used to select elements that do not match the selector, etc.

What does jquery filtering include?

Operating system for this tutorial: Windows 10 system, jQuery3.6.0 version, Dell G3 computer.

jQuery is a popular JavaScript library that provides many powerful methods and functions to easily manipulate HTML elements and the DOM (Document Object Model). This includes the Filters function.

Here are some jQuery filters and their code examples:

1. :first

is used to select the first matching element. For example:

$("p:first")

2. :last

is used to select the last matching element. For example:

$("p:last")

3. :even

is used to select matching elements with even index values. Index values ​​start from 0. For example:

$("tr:even")

4. :odd

is used to select matching elements with odd index values. Index values ​​start from 0. For example:

$("tr:odd")

5. :lt(n)

is used to select all matching elements with index values ​​less than n. For example:

$("td:lt(3)")

6. :gt(n)

is used to select all matching elements with index values ​​greater than n. For example:

$("td:gt(3)")

7. :eq(n)

is used to select matching elements whose index value is equal to n. For example:

$("ul li:eq(2)")

8. :not(selector)

is used to select elements that do not match the selector. For example:

$("input:not(:checked)")

The above are commonly used jQuery filters. There are many other useful filters in jQuery that you can choose to use according to your needs.

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