onclick Event
 Complete Event Object Reference
Definition and Usage
The onclick event occurs when an object gets clicked.
Syntax
onclick="SomeJavaScriptCode"
|
| Parameter |
Description |
| SomeJavaScriptCode |
Required. Specifies a JavaScript to be executed when the
event occurs. |
Supported by the following HTML tags:
|
<a>, <address>, <area>, <b>, <bdo>, <big>, <blockquote>,
<body>, <button>, <caption>, <cite>, <code>, <dd>, <dfn>, <div>, <dl>, <dt>, <em>, <fieldset>,
<form>, <h1> to <h6>, <hr>, <i>, <img>,
<input>, <kbd>, <label>, <legend>, <li>,
<map>, <object>, <ol>, <p>, <pre>,
<samp>, <select>, <small>, <span>, <strong>, <sub>, <sup>, <table>, <tbody>,
<td>, <textarea>, <tfoot>, <th>, <thead>, <tr>, <tt>, <ul>, <var> |
Supported by the following JavaScript objects:
|
button, document, checkbox, link, radio, reset, submit |
Example
In this example the text in the first input field will be copied to the second
input field when
a button is clicked:
<html>
<body>
Field1: <input type="text" id="field1" value="Hello World!">
<br />
Field2: <input type="text" id="field2">
<br /><br />
Click the button below to copy the content of Field1 to Field2.
<br />
<button onclick="document.getElementById('field2').value=
document.getElementById('field1').value">Copy Text</button>
</body>
</html>
|
The output of the code above will be:
Try-It-Yourself Demos
onclick
How to use onclick.
Complete Event Object Reference
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