javascript - Displaying value on KineticJs Text() -


i want change text in container kinetic js using keyup event in jquery doesn't display. tried getting value display on span element , works fine. here's code: 

var stage = new kinetic.stage({         container: 'canvascontainer',         width: 800,         height: 800     });     var layer = new kinetic.layer();     var message = '';      $(function(){         $('#txtarea').change(function(){             message = $(this).val();             $('.output').text(message);              var simpletext = new kinetic.text({                 x: 0,                 y: 10,                 text: message,                 fontsize: 30,                 fontfamily: 'calibri',                 fill: 'blue'             });             layer.add(simpletext);         }).keyup(function(){             $(this).change();         });     });     stage.add(layer);

after add or change kinetic object, sure call layer.draw() cause drawing visible.

btw, instead of adding new simpletext each change, might want change text in existing text object

// declare simpletext before .change()  var simpletext = new kinetic.text({     x: 0,     y: 10,     text: "",     fontsize: 30,     fontfamily: 'calibri',     fill: 'blue' }); layer.add(simpletext);  // inside .change()  simpletext.settext(message); layer.draw();

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