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• 摘要
• Method of
• 句法
• 范例
• 相关话题

摘要

Indicates whether or not Software Installation is enabled for this client machine.

Method of

InstallTrigger 对象

句法

Boolean enabled (); 
					

参数

None

返回

True if Software Installation is enabled for this client machine; otherwise, false. The method reflects the value of the Software Installation preference in the user interface, and of the xpinstall.enabled preference in pref.js.

范例

The following code uses the startSoftwareUpdate method to unconditionally trigger a download from http://royalairways/royalpkg.xpi as long as Software Installation is enabled on the browser:

if (InstallTrigger.enabled() ) {
    InstallTrigger.startSoftwareUpdate ("http://royalair.com/rasoft.xpi");
}
					

元数据

• 最后修改： 2019 年 3 月 23 日