A difficulty here, however, is that the TransformStreamDefaultController does not have a ready promise mechanism like Writers do; so the TransformStream implementation would need to implement a polling mechanism to periodically check when controller.desiredSize becomes positive again.
Tens of thousands of years ago, as modern humans migrated into northerly territories inhabited by our ancient cousins, the Neanderthals, the two species met – and sometimes mated.
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沒有任何公開的證據支持如此龐大的數字。
function createBufferWriter() {
春节，东坝汤家村的马灯表演队最为忙碌。省级非物质文化遗产代表性传承人汤春山，是村里第五代大马灯传承人，近40年来一直致力于传承弘扬这一民间艺术。“马灯是乡亲共同保护好的文化遗产。马灯的传承，少了谁都不行。”他一边为娃娃扮相儿，一边讲解。东坝大马灯表演讲究人马合一。每匹竹马由前马首与后马身共同驾驭，前者戴竹编马头面具，后者屈身紧抓前者腰带，通过“左步起、右步跟”的步伐模拟真马动态，行内有着“演马人要先观真马三日，记其鬃毛颤动频率，再练马步百日，方能人马合一”的说法。