var value; // Type: any
value = jQuery.wijmo.wijbubblechart.options.width;
Javascript (Specification)
var width : any;
Remarks
Note that this value overrides any value you may set in the <div> element that
you use in the body of the HTML page
If you specify a width in the <div> element that is different from this value,
the chart and its border go out of synch.