labelFontWeight: String

Sets the font weight of stripLine’s label.

Default: “normal”
Example: “lighter”,”normal”,”bold”,”bolder” 
var  chart =  new  CanvasJS.Chart("container",
{
 .
 .
axisX:{
    stripLines: [{
        .
        labelFontWeight:"bold",
        .
    }]
},
 .
 .
});
chart.render();
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