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This article mainly explains "what is the role of the hover method in jquery". The content of the article is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn "what is the role of the hover method in jquery"?

The hover method in jquery specifies two functions to run when the mouse pointer hovers over the selected element, using the syntax of "$(selector) .hover (inFunction,outFunction)".

This article operating environment: windows7 system, jquery3.2.1 version, DELL G3 computer

What is the function of the hover method in jquery?

JQuery hover () method:

The hover () method specifies two functions to run when the mouse pointer hovers over the selected element.

Method triggers mouseenter and mouseleave events.

Note: if you specify only one function, both mouseenter and mouseleave execute it.

Grammar

$(selector) .hover (inFunction,outFunction)

Call:

(selector) .hover (handlerIn, handlerOut)

It is equivalent to the following ways:

$(selector). Mouseenter (handlerIn). Mouseleave (handlerOut)

Note: if only one function is specified, it will run on the mouseenter and mouseleave events.

Call:

$(selector) .hover (handlerInOut)

Equivalent to:

(selector) .on ("mouseenter mouseleave", handlerInOut)

Parameters.

InFunction is required. Specifies the function to run when the mouseenter event occurs.

OutFunction is optional. Specifies the function to run when the mouseleave event occurs.

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