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来源:雅诚德英语网
That is, the values of global variables are lost and event handlers are unhooked, meaning that code that formerly executed when an event occurs no longer does so.
就是说,全局变量的值丢失并且事件处理程序被解除挂钩,这意味着以前在事件发生时执行的代码不再这样做了。