Button valueProperty

Button 对象参考手册Button Object

Definition and Usage

The value property sets or returns the value of the value attribute of a button.

The value attribute specifies the text displayed on the button.

Important:If you use the button element in an HTML form, different browsers will display different values. Internet Explorer displays the value between the <button> and </button> tags, while other browsers display the value in the value attribute. In an HTML form, you can use the input element to display a button.

Syntax

buttonObject.value=value


Browser Support

Internet ExplorerFirefoxOperaGoogle ChromeSafari

All major browsers support the value property.


Example

Example

Return the text displayed on the button:

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Example (example.com)</title>
</head>
<body>

<input type="button" id="button1" value="Click me!">
<p>The button's text:
<script>
document.write(document.getElementById("button1").value);
</script></p>

</body>
</html>

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Button 对象参考手册Button Object Other Extensions