Font unavailable in script

Question

I have written the following script to generate a font index in an InDesign document:
// Generate new document
var doc = app.documents.add();
var frm = doc.pages[0].textFrames.add();
var w = doc.documentPreferences.pageWidth;
var h = doc.documentPreferences.pageHeight;
frm.geometricBounds = [0.5, 0.5, 10.5, 8];
// Get list of all installed fonts and split into font family name and style arrays
var appFonts = app.fonts.everyItem().name;
var installedFonts = [];
var installedStyles = [];
var counter = -1;
for (var i = 0; i < appFonts.length; i++) {
    appFonts[i] = appFonts[i].split("\t");
    if (i == 0 || appFonts[i][0] != appFonts[i-1][0]) {
        installedFonts.push(appFonts[i][0]);
        counter ++;
        installedStyles[counter] = [];
    installedStyles[counter].push(appFonts[i][1]);
// Loop on all font families and styles
var thisFont = "";
var thisStyle = "";
for (var i = 0; i < installedFonts.length; i++) {
    thisFont = installedFonts[i];
    for (var j = 0; j < installedStyles[i].length; j++) {
        thisStyle = installedStyles[i][j];
        frm.contents += thisFont + "-" + thisStyle + "\r";
        with (frm.paragraphs.item(-1)) {
            try {
                appliedFont = thisFont;
                try {
                    fontStyle = thisStyle;
                catch (errorVariable) {
                    appliedFont = "Times New Roman";
                    fontStyle = "Regular";
            catch (errorVariable) {
                appliedFont = "Times New Roman";
                fontStyle = "Regular";
            pointSize = 12;
            justification = Justification.leftAlign;
I added the try/catch statements because for certain fonts the script was aborting on the statement:
appliedFont = thisFont;
because it said the font was unavailable. Why can't I apply that font to some text if app.fonts.everyItem().name included it in the list?

Answer 1

Try setting both the font and the style in one command:
appliedFont = "Times New Roman\tRegular";
The 'appliedFont' command may fail if the original font style in there was something not available for TNR, such as 'narrow'. This oughta fix it.