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<br><pg><br> <int><br> <rs> //onPress erase0 exit 0<br> <text> //{icon.parentNode.index()}<br> <scr><br><br><br>User clicks on an object, the event is triggered and the text icon is displayed.<br>The scr draws a line on the text object the first time it is clicked. <br>icon.previousSibling.clip().lineTo(end_x, end_y);<br><br>The second time it is clicked, the text persists but the drawn line disappears.<br><br>??<br> </body>
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