Classes are not strictly required for message passing (Self demonstrated this long ago), but they exist to create structure: to group behavior within a coherent context. So when you look at the browser, you should also look at it like this:
Apple's $599 MacBook Neo hands-on: The budget laptop we've all been waiting for?
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Annual average regular earnings growth for the period was 7.2% for the public sector and 3.4% for the private sector.。关于这个话题，体育直播提供了深入分析
«Европа бьет сама по себе». Страну НАТО заподозрили в организации атаки на российский газовоз. Новые подробности атаки на судно20:45。同城约会对此有专业解读
圖像來源，BBC CHINESE/ TING CHIANG