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onresize Event


Event Object Reference Complete Event Object Reference

Definition and Usage

The onresize event occurs when a window or frame is resized.

Syntax

onresize="SomeJavaScriptCode"

Parameter Description
SomeJavaScriptCode Required. Specifies a JavaScript to be executed when the event occurs.

Supported by the following HTML tags:

<a>, <address>, <b>, <big>, <blockquote>, <body>, <button>, <cite>, <code>, <dd>, <dfn>, <div>, <dl>, <dt>, <em>, <fieldset>, <form>, <frame>, <h1> to <h6>, <hr>, <i>, <img>, <input>, <kbd>, <label>, <legend>, <li>, <object>, <ol>, <p>, <pre>, <samp>, <select>, <small>, <span>, <strong>, <sub>, <sup>, <table>, <textarea>, <tt>, <ul>, <var>

Supported by the following JavaScript objects:

window


Example

In this example an alert box will be displayed when a user tries to resize the window:

<body onresize="alert('You have changed the size of the window')">
</body>


Try-It-Yourself Demos

onresize
How to use onresize to display a alert box when a page is resized.


Event Object Reference Complete Event Object Reference

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