What are the child element filter selectors?

Some commonly used child element filtering selectors include ":first-child", ":last-child", ":only-child", ":nth-child(n)", ":nth- last-child(n)", ":first-of-type", ":last-of-type", ":only-of-type", ":nth-of-type(n)" and ":nth -last-of-type(n)" ten types.

# Operating system for this tutorial: Windows 10 system, Dell G3 computer.

In CSS, you can use the child element filter selector to select the child elements of an element and filter them at the same time. The following are some commonly used child element filter selectors:

1. :first-child: Select the first child element of the specified element.

2. :last-child: Select the last child element of the specified element.

3. :only-child: Select the only child element of the specified element.

4. :nth-child(n): Select the nth child element of the specified element. Where n can be a number, expression or keyword, for example: nth-child(2n) means to select the child element in the even-numbered position, and :nth-child(odd) means to select the child element in the odd-numbered position.

5. :nth-last-child(n): Similar to :nth-child() above, but selects from back to front.

6. :first-of-type: Select the first child element of the specified element type.

7. :last-of-type: Select the last child element of the specified element type.

8. :only-of-type: Select the only child element of the specified element type.

9. :nth-of-type(n): Select the nth child element of the specified element type.

10. :nth-last-of-type(n): Similar to :nth-of-type() above, but selected from back to front.

These sub-element filter selectors can be used alone or in combination to select the required sub-elements more accurately.

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