The example in this article describes the usage of :focus selector in jQuery. Share it with everyone for your reference. The specific analysis is as follows:
This selector matches the currently focused element.
Grammar structure:
$(":focus")
: The focus selector generally needs to be used in conjunction with other selectors, such as class selectors, element selectors, etc. . For example:
$("li:focus")
The above code will match the focused li element.
Of course, no other selectors are added in front of this selector, but if no specified selector is added, the universal selector (*) is added by default. For example:
$(":focus")
The above code is equivalent to the following code:
$("*:focus")
Example code:
I hope this article will be helpful to everyone’s jQuery programming.