if (low = high) return; // 子数组长度<=1
Shadow DOM is a web component feature that lets you attach an isolated DOM subtree to any HTML element, hidden from the main document’s standard queries. A querySelector('audio') on the main document cannot see inside a Shadow Root unless you specifically traverse into it. If fermaw’s player was mounted inside a Shadow Root, basic DOM searches would come up empty.
，详情可参考WPS官方版本下载
春节文化消费市场也前所未有地得以拓展。如四川阆中市依托西汉天文学家落下闳参与创制《太初历》确立正月初一为岁首的历史渊源，打造春节文化之乡，推出春节文化寻源之旅。在阆中，春节系列活动从腊八开始，一口气持续到元宵，越来越多的游客选择到这里感受热闹红火的年味。广州行花街、潮州英歌舞等春节习俗和活动破圈传播，吸引着国内外游客前来体验。
[ anyRcv anyKeywordPart: anyArg1 staticPart: anyArg2 ]