diff --git a/exec/load/frame.js b/exec/load/frame.js
index 057000ccb8d198b2f16ad03eca46ffbcc7546e19..497982e4f63b124c5b0eae5f8531bdb271949445 100644
--- a/exec/load/frame.js
+++ b/exec/load/frame.js
@@ -935,6 +935,10 @@ Frame.prototype.clear = function(attr) {
 	this.home();
 	return true;
 }
+Frame.prototype.cleardata = function () {
+	this.__properties__.data = [];
+	this.invalidate();
+}
 Frame.prototype.clearline = function(attr) {
 	if(attr == undefined)
 		attr = this.attr;