Open Attachment from within List Field in SharePoint Online

I'm using the below code to populate the list of attachments for each item in a SharePoint Online list. Works good but the hyperlink doesn't open the attachment, as is desired. Can I add an onClick event or similar to open the corresponding attachment in a new window?

(function () { 

	var fieldContext = {}; 

    fieldContext.Templates = {}; 
    fieldContext.Templates.Fields = { 
   		"CommentAtt": { "View": attFieldTemplate }, 
    }; 
 
    SPClientTemplates.TemplateManager.RegisterTemplateOverrides(fieldContext); 
 
})(); 

function attFieldTemplate(ctx) { 
 
    var myComm = ctx.CurrentItem["ID"];

    return getProjCommAttachments(myComm);
} 

function getProjCommAttachments(myComm) {
	var endpointUrl = "mySite/_api/web/lists/getbytitle('myist')/items(" + myComm + ")/AttachmentFiles";
	var myAttachments = "";

	getJson(endpointUrl)
	.done(function(data) {
    var items = data.d.results;
    $.each(items, function(i) {
      myAttachments += "<div><a href=" + data.d.results[i].ServerRelativeUrl + ">" + data.d.results[i].FileName + "</a></div>";
    });

	})
	.fail(function(error) {
	    console.log(JSON.stringify(error));
	});
	return myAttachments;
}

function getJson(url) {
    return $.ajax({ 
       async: false,      
       url: url,   
       type: "GET",  
       contentType: "application/json;odata=verbose",
       headers: {"Accept": "application/json;odata=verbose"}
    });
}	// getJson

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