How to analyze onchange events

This article shows you how to analyze onchange events. The content is concise and easy to understand. It will definitely brighten your eyes. I hope you can gain something through the detailed introduction of this article.

Definition and usage

The onchange event occurs when the content of the domain changes.

Grammar

Onchange= "SomeJavaScriptCode"

Parameters.

Description

SomeJavaScriptCode

Necessary. Specifies the JavaScript to be executed when the event occurs.

The HTML tag that supports the event:

The JavaScript object that supports this event:

FileUpload, select, text, textarea

Example

-Please choose-Hubao Yi-Jade Kirin-Leopard head--

Function testOnchange () {

Alert ("test");} differences between change and onchange, click and onclick:

Both onchange and onclick are js methods

You can also jsobject.onchange=function () {SomeJavaScriptCode}

Change and click are jquery methods

$(') .change (function ({})) or; $('') .click (function ({}))

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