关于这个附加组件
This add-ons tests for a few of the harder-to-detect criteria for AMO approval. At the moment, these include: 
    - Variables defined in the global window scope
 - DOM node IDs defined in shared namespaces
 - Properties added to native prototypes
 - New XPCOM classes and interfaces
 - JavaScript global augmentation categories
 - Dangerous uses of setInterval, setTimeout, and XMLHttpRequest in chrome code.
 - Remote documents loaded into chrome-privileged windows or iframes.
 - Extant compartments which may be leaked zombie compartments. Minimize memory trigger on middle click of compartments list widget and from context menu.
 - Sets required debugging preferences: javascript.options.showInConsole and dom.report_all_js_exceptions
 
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