Update JAGL.html

Author: Thevitebsk

JAGL/JAGL.html

@@ -2,4 +2,9 @@
 <input type="text" placeholder="code" id="code">
 <input type="text" placeholder="input" id="input"><br>
 output:<p id="out"></p>
-<input type="button" value="Execute"><br>
+<input type="button" value="Execute" onclick="ce()"><br>
+<script>
+function ce():
+  i=prompt("Hello, world?")
+  alert(i)
+</script>