Tooltip
A tooltip follows the pointer movement and is used to indicate the value of a point. This feature is applicable for line, column, pie, and area Sparkline. You can customize the tooltip [fill color
], [border
] and [font
].
<ej-sparkline id="sparklinecontainer" [tooltip.visible]="true">
</ej-sparkline>
Tooltip Template
HTML elements can be displayed in the tooltip by using the [template
] option of the tooltip. The template option takes the value of the id attribute of the HTML element. You can use the #point.x# and #point.y# as place holders in the HTML element to display the x and y values of the corresponding point.
<div id="item" style="display: none;">
<div>
<div>#point.x#</div>
<div>#point.y#</div>
</div>
</div>
<ej-sparkline id="sparklinecontainer" [tooltip.visible]="true" tooltip.template="item">
</ej-sparkline>
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