Jquery css selector learning Notes

1. $ ('node + next') =$ ('node'). next ()

2. $ ('node ~ Siblings ') = $ ('node'). nextAll ();

3.: the element whose gt (index) is greater than the index number, starting from 0.

4.: the element whose index is smaller than the index number, starting from 0.

4.: The header obtains all elements of h1, h2, h3, h4...

Example

For example, you want to obtain the z-index value of the div with id 123

$ ("#123" ).css ("z-index ")

This is what you want to set the attribute value.

$ ("#123" ).css ("z-index", "10 ")

Let's sum up.

JQuery has several methods for CSS operations

AddClass ()-Add one or more classes to the selected element
RemoveClass ()-delete one or more classes from the selected element
ToggleClass ()-adds or deletes the selected element to/from the switch operation.
Css ()-set or return style attributes