描述：设计 StockSpanner 类。每次调用 next(price) 时，返回当日价格的「跨度」：从今天往回数，价格 ≤ 今日价格的最大连续天数（含今天）。
const addChunk = (chunk) = {
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HTMLMediaElement — WHATWG HTML Living Standard
ВсеНаукаВ РоссииКосмосОружиеИсторияЗдоровьеБудущееТехникаГаджетыИгрыСофт。im钱包官方下载对此有专业解读
Цены на нефть взлетели до максимума за полгода17:55
For Netflix, the streaming industry's biggest player with more than 300 million customers, buying the film and streaming division would have bolstered its movie offerings, while heading off any potential rivals looking to get their hands on the Warner Bros content.。关于这个话题，safew官方下载提供了深入分析