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JavaScript中alert的三种用法
1、 在JavaScript中,alert用于在浏览器弹出提示框,共有三种调用方式,每种方式展现的效果各有不同。 2、 将代码直接写在script标签内,示例如下: 3、 使用Google浏览器查看时,页面仅显示弹出提示框,而p标签中的内容并未呈现。这是由于调用alert方法后,其 ...
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