• pathWalker – The path walker object. A user definable JavaScript object which can be used to trigger your own functions on the path methods. Note: A path walker object has callback methods that are • textWalker – The text walker object. A user definable JavaScript object which can be used to trigger your own functions on the text methods. Example var myTextWalker = { showGlyph: function (font the command line MuPDF Documentation, Release 1.21.2 Note: At present this listener will only trigger when a document JavaScript action triggers an alert. PDF journalling enableJournal() Activate

• pathWalker – The path walker object. A user definable JavaScript object which can be used to trigger your own functions on the path methods. Note: A path walker object has callback methods that are • textWalker – The text walker object. A user definable JavaScript object which can be used to trigger your own functions on the text methods. text.walk({ beginSpan: function (font, transform, wmode Arguments • listener – {} The JavaScript listener function. Note: At present this listener will only trigger when a document JavaScript action triggers an alert. pdfDocument.setJSEventListener({ onAlert:

• pathWalker – The path walker object. A user definable JavaScript object which can be used to trigger your own functions on the path methods. Note: A path walker object has callback methods that are • textWalker – The text walker object. A user definable JavaScript object which can be used to trigger your own functions on the text methods. text.walk({ beginSpan: function (font, transform, wmode Arguments • listener – {} The JavaScript listener function. Note: At present this listener will only trigger when a document JavaScript action triggers an alert. pdfDocument.setJSEventListener({ onAlert:

• pathWalker – The path walker object. A user definable JavaScript object which can be used to trigger your own functions on the path methods. Note: A path walker object has callback methods that are • textWalker – The text walker object. A user definable JavaScript object which can be used to trigger your own functions on the text methods. text.walk({ beginSpan: function (font, transform, wmode Arguments • listener – {} The JavaScript listener function. Note: At present this listener will only trigger when a document JavaScript action triggers an alert. pdfDocument.setJSEventListener({ onAlert: