Chrome'da sahifaning "accessibility tree"sini ko'rish mumkin. Assisstiv texnologiylar (ko'zi ojizlar uchun ovozli yordamchilar, screen reader'lar) aynan shu "accessibility tree" orqali sahifangizni o'qishadi.
Yuqorida Wikipedia sahifasining "accessibility tree"sini ko'rishingiz mumkin. Deyarli har bir DOM element ma'noli izohlangan. Bu izohlar asosan "aria-*" atributlari orqali beriladi. Screen reader (ekranni o'quvchi dastur) lar aynan shu izohlarni o'qishadi.
Chrome DevTools orqali shu usulda elementlarning maxsus izohlarini tekshirish juda qulay. Chunki DOM ning o'zida ularni ko'rish/topish qiyin.
Chrome'da sahifaning "accessibility tree"sini ko'rish mumkin. Assisstiv texnologiylar (ko'zi ojizlar uchun ovozli yordamchilar, screen reader'lar) aynan shu "accessibility tree" orqali sahifangizni o'qishadi.
Yuqorida Wikipedia sahifasining "accessibility tree"sini ko'rishingiz mumkin. Deyarli har bir DOM element ma'noli izohlangan. Bu izohlar asosan "aria-*" atributlari orqali beriladi. Screen reader (ekranni o'quvchi dastur) lar aynan shu izohlarni o'qishadi.
Chrome DevTools orqali shu usulda elementlarning maxsus izohlarini tekshirish juda qulay. Chunki DOM ning o'zida ularni ko'rish/topish qiyin.
BY Brogrammist
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Telegram and Signal Havens for Right-Wing Extremists
Since the violent storming of Capitol Hill and subsequent ban of former U.S. President Donald Trump from Facebook and Twitter, the removal of Parler from Amazon’s servers, and the de-platforming of incendiary right-wing content, messaging services Telegram and Signal have seen a deluge of new users. In January alone, Telegram reported 90 million new accounts. Its founder, Pavel Durov, described this as “the largest digital migration in human history.” Signal reportedly doubled its user base to 40 million people and became the most downloaded app in 70 countries. The two services rely on encryption to protect the privacy of user communication, which has made them popular with protesters seeking to conceal their identities against repressive governments in places like Belarus, Hong Kong, and Iran. But the same encryption technology has also made them a favored communication tool for criminals and terrorist groups, including al Qaeda and the Islamic State.
NEWS: Telegram supports Facetime video calls NOW!
Secure video calling is in high demand. As an alternative to Zoom, many people are using end-to-end encrypted apps such as WhatsApp, FaceTime or Signal to speak to friends and family face-to-face since coronavirus lockdowns started to take place across the world. There’s another option—secure communications app Telegram just added video calling to its feature set, available on both iOS and Android. The new feature is also super secure—like Signal and WhatsApp and unlike Zoom (yet), video calls will be end-to-end encrypted.
