Keygen disabledProperty

Keygen 对象参考手册Keygen Object

Example

Check whether the keygen field is available:

var x = document.getElementById("myKeygen").disabled;

xThe result is:

true

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Definition and Usage

The disabled property is used to set or return whether the keygen field is usable.

Disabled elements cannot be used or clicked. Disabled elements are rendered in gray by default in browsers.

This property reflects the functionality of the HTML disabled attribute.

Browser Support

Internet Explorer Firefox Opera Google Chrome Safari

All major browsers support the disabled attribute, except Internet Explorer.

Syntax

Return the disabled property:

keygenObject.disabled

Set the disabled property:

keygenObject.disabled=true|false

Property Values

Value Description
true|false Describes whether the keygen field is usable
  • true - Disables the text field
  • false - Default. The text field is enabled.

Technical Details

Return Value: A Boolean value, returns true if the keygen field is disabled, otherwise returns false.

More Examples

Example

Disable a keygen field:

document.getElementById("myKeygen").disabled=true;

The result is:


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Example

Enable and disable the keygen field:

function disableKey()
  {
  document.getElementById("myKeygen").disabled=true;
  }
function undisableKey()
  {
  document.getElementById("myKeygen").disabled=false;
  }

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Related Pages

HTML Reference:HTML <keygen> disabled Attribute

Keygen 对象参考手册Keygen Object

Other Extensions