fg

ti/templates/ti/index.html

@@ -90,7 +90,7 @@
         <input type='submit' value="submit" onclick='updateData();' class="btn btn-dark btn-xl js-scroll-trigger">
         {% csrf_token %}
       </form>
-        <input type='button' value="eraser" class="btn btn-dark btn-xl js-scroll-trigger">
+        <input type='button' value="eraser" onclick='erase();' class="btn btn-dark btn-xl js-scroll-trigger">
 
         <a class="btn btn-dark btn-xl js-scroll-trigger" href="#page-top">look up</a>
       </div>
@@ -125,9 +125,9 @@
     </script>
     <script type="text/javascript">
       function erase(){
-        var canvas1, ctx;
-        canvas1 = document.getElementById("canvas");
-        ctx = canvas1.getContext("2d");
+        var canvas, ctx;
+        canvas = document.getElementById("canvas");
+        ctx = canvas.getContext("2d");
         ctx.fillStyle = 'white'; // 채우기 색 지정
         ctx.globalAlpha = "1.0"; // 채우기 투명도 설정
         ctx.fillRect(0,0,500,500);