How jquery triggers change events

This article will explain in detail how jquery triggers change events. The editor thinks it is very practical, so I share it with you as a reference. I hope you can get something after reading this article.

In jquery, you can use the change () method to trigger a change event with the syntax "$(selector). Change ()"; it can also specify the function to run when a change event occurs, the syntax "$(selector) .change (function)".

The operating environment of this tutorial: windows7 system, jquery1.10.2 version, Dell G3 computer.

The change event occurs when the value of an element changes. This event applies only to text fields (text field), as well as to textarea and select elements.

To trigger the change event manually, you need to use the change () method, which also specifies the function to run when the change event occurs.

Syntax for triggering change events

(selector) .change ()

Syntax for binding a function to a change event

$(selector) .change (function)

Function is optional. Specifies the function to run when the change event occurs.

Example:

$(document) .ready (function () {$(".field") .change (function () {$(this) .css ("background-color", "# FFFFCC");}) $("button") .click (function () {$("input") .change ();}); change event that activates the text field

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