x

legend: {
   lineStyle: {
      width: number, 
      color: cvalue,
      dash: 'dstring'
   }
}

where:

number

Is a number that defines the width of the line in pixels. The default value is 0, no line.

cvalue

Defines the color of the line as either:

• A string, enclosed in single quotation marks, that defines a color by a name or numeric specification string or defines a gradient string. The default value is 'black'.
• A JSON object that defines a gradient.

'dstring'

Is a string that defines the dash style of the line. The default value is '' (which generates a solid line). Use a string of numbers that defines the width of a dash followed by the width of the gap between dashes.

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Example: Generating a Line Around the Legend Area

The following request generates a four-pixel wide red line around the legend area:

GRAPH FILE WF_RETAIL_LITE
SUM DISCOUNT_US GROSS_PROFIT_US REVENUE_US MSRP_US
BY PRODUCT_CATEGORY
ON GRAPH PCHOLD FORMAT JSCHART
ON GRAPH SET LOOKGRAPH VBAR
ON GRAPH SET STYLE *
*GRAPH_JS
   legend: {
     lineStyle: {width: 4, color: 'red'}   
   },   
series: [
    {series: 0, color: 'lightgreen'},
    {series: 1, color: 'coral'},
    {series: 2, color: 'lightblue'},
    {series: 3, color: 'burlywood'} 
]
*END
INCLUDE=ENIADefault_combine.sty,$
ENDSTYLE
END

The output is: