How to remove Unused Object Stlyes Via JavaScript

[M.Hasanin]

Hi Pros..

I tried to Write this script to remvoe Unused Object Styles but it not working!, i dont know why, maybe i miss something..

//Remove Unused Object Styles
removeUnusedObjStyles();

function removeUnusedObjStyles() {
	var ObjStyles, found,
	doc = app.activeDocument,
	ObjStyles = doc.objectStyles;
	for (var i = ObjStyles.length - 1; i >= 1; i--) { // skip default style: [None]
		try {
			ObjStyles = ObjStyles[i];
            app.findObjectPreferences = app.changeObjectPreferences = NothingEnum.NOTHING;
            app.findObjectPreferences.appliedObjectStyles = ObjStyles;
			found = doc.findObject();
			if (found.length == 0) {
				ObjStyles.remove();
			}
		}
		catch(err) {
            var g
			g.WriteToFile(doc.name + " - " + err.message + ", line: " + err.line);
		}		
	}
    app.findObjectPreferences = app.changeObjectPreferences = NothingEnum.NOTHING;
}   

Please Help fixing the code

Best

medo 

[Mike Bro]

Hello.

Your code seems to work fine except for what's shown below,  I'm not sure what you're trying to achieve with this.

var g
g.WriteToFile(doc.name + " - " + err.message + ", line: " + err.line);

Regards,

Mike

[M.Hasanin]

it showing error if happend but i get rid of it, thank you

[brianp311 · Accepted solution]

You're setting ObjStyles to the iterated style within the loop (ObjStyles = ObjStyles[i]). This is probably throwing things off. Give the individual element its own variable. 

[M.Hasanin]

Thank you very much,, now the code working, the final code is :

//Remove Unused Object Styles
removeUnusedObjStyles();

function removeUnusedObjStyles() {
	var ObjStyles, found,
	doc = app.activeDocument,
	ObjStyles = doc.objectStyles;
	for (var i = ObjStyles.length - 1; i >= 1; i--) { // skip default style: [None]
            app.findObjectPreferences = app.changeObjectPreferences = NothingEnum.NOTHING;
            app.findObjectPreferences.appliedObjectStyles = ObjStyles[i];
			found = doc.findObject();
			if (found.length == 0) {
				ObjStyles[i].remove();
		}		
	}
    app.findObjectPreferences = app.changeObjectPreferences = NothingEnum.NOTHING;
}   

 Best

medos20