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This article mainly explains the "JavaScript focus event example introduction", the article explains the content is simple and clear, easy to learn and understand, now please follow the editor's train of thought slowly in depth, together to study and learn "JavaScript focus event example introduction"!

It's just a list here, and the usage is no different from the previous ones.

Trigger focus:

("Element") .focus ()

Triggers each matching element to get the focus event.

$("Element") .focus (function)

The event is triggered when it gets focus, either a mouse behavior or a behavior triggered by pressing the tab key navigation, and binding a handling method

Lose focus:

("Element") .blur ()

Triggers a losing focus event for each matching element.

$("Element") .blur (function)

The event is triggered when the element loses focus, either by mouse behavior or by pressing the tab key to leave, and binds a handler.

Change the focus:

("Element") .change ()

Triggers an event when each matching element changes.

$("Element") .change (function)

Bind a handler in the change event of each matching element.

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