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//程序开始引入(_sys_bootstrap4_all_addr + ".js",$真); var 标题1 = "缩写文本".到标题元素();var 容器 = bootstrap4.创建容器();变量 段落1 = 创建段落("The abbr element is used to mark up an abbreviation or acronym:");变量 段落2 = 创建段落("The " + "WHO".到缩写元素("World Health Organization").取整体代码() + " was founded in 1948.");变量 段落3 = 创建段落("The " + bootstrap4.创建缩写元素("WHO","World Health Organization").取整体代码() + " was founded in 1948.");容器.添加子节点(标题1,段落1,段落2,段落3);加到主体(容器); 