Tooltip - Tooltip Global Global tooltip binds to clickable elements with title attributes. Ajax updates are supported as well, meaning if target component is updated with ajax, tooltip can still bind.
Link: About
<p:tooltip />
    <h:panelGrid columns="2" cellpadding="10">
        <h:outputText value="Input: " />
        <p:inputText pt:data-tooltip="Tooltip for an input" />

        <h:outputText value="Link: " />
        <h:outputLink value="#" pt:data-tooltip="Tooltip for a link">
            <h:outputText value="About" />

        <h:outputText value="Button: " />
        <p:commandButton value="Update" pt:data-tooltip="Update components" update="@parent" />
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Running PrimeFaces-6.2-SNAPSHOT on Mojarra-2.3.2.