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onblur事件(当该对象失去焦点是触发)
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onblur Event
Complete Event Reference
Definition and Usage
The onblur event occurs when an object loses focus.
Syntax
onblur="SomeJavaScriptCode"
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| Parameter |
Description |
| SomeJavaScriptCode |
Required. Specifies a JavaScript to be executed when the
event occurs. |
Supported by the following HTML tags:
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<a>, <acronym>, <address>, <area>, <b>,
<bdo>, <big>, <blockquote>, <button>,
<caption>, <cite>, <dd>, <del>, <dfn>,
<div>, <dl>, <dt>, <em>, <fieldset>,
<form>, <frame>, <frameset>, <h1> to
<h6>, <hr>, <i>, <iframe>, <img>,
<input>, <ins>, <kbd>, <label>, <legend>,
<li>, <object>, <ol>, <p>, <pre>,
<q>, <samp>, <select>, <small>, <span>,
<strong>, <sub>, <sup>, <table>, <tbody>,
<td>, <textarea>, <tfoot>, <th>, <thead>,
<tr>, <tt>, <ul>, <var> |
Supported by the following JavaScript objects:
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button, checkbox, fileUpload, layer, frame, password, radio, reset, submit,
text, textarea, window |
Example
In this example we will execute some JavaScript code when a user leaves an
input field:
<html> <head> <script type="text/javascript"> function upperCase() { var x=document.getElementById("fname").value document.getElementById("fname").value=x.toUpperCase() } </script> </head>
<body>
Enter your name: <input type="text" id="fname" onblur="upperCase()">
</body> </html>
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The output of the code above will be:
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发表于: 2007-11-06,修改于: 2007-11-06 13:47,已浏览431次,有评论0条
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