The first line loads the module, then you create a new Worker object.

第一行加载模块，然后您创建一个新的Worker对象。

youdao

First, you create a Worker object and pass it the URL of the script that will be executed in the new thread.

首先，您创建一个Worker对象并向它传递将在新线程中执行的脚本的URL。

youdao

Class is never declared in the markup of a page; it is strictly a worker object that performs background tasks.

类决不会在网页的标记中声明，严格地讲，它是一个执行后台任务的工作者对象。

youdao

President Bush has always actually been closer to Democrats than Republicans on this issue, favoring a guest worker program and a path to citizenship for illegal immigrants that congressional conservatives object to as a form of amnesty.

FORBES: Labor Won't Embrace Immigrants