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({
	typekitCall : function() {
        console.log("aa");
        
		try{Typekit.load(
            { async: true }
    	);}catch(e){}
        
	}
})

<ltng:require scripts="https://use.typekit.net/rmh3gjt.js" afterScriptsLoaded="{!c.typekitAction}" />

({
	typekitAction : function(component, event, helper) {
		helper.typekitCall(component, event);
	}
})