在图表中移动光标时,打开工具提示可以让您即时查看图表中显示的指标的基本信息。
Turning on tooltips allows you to instantly see some basic information about the metrics displayed in the chart as you move your cursor over the chart.
当鼠标光标停留在一个HTML元素上之后,这个FadingTooltip部件会淡入视图,工具提示显示一段时间之后就淡出视图。
This FadingTooltip widget fades into view after the cursor hesitates over an HTML element, and then fades from view after the tooltip has displayed for a while.
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