Input demo

patrick-gu · Jan 28, 2024 · b8235ea · b8235ea
1 parent 4bd4518
commit b8235ea
Show file tree

Hide file tree

Showing 2 changed files with 19 additions and 2 deletions.
diff --git a/examples/demo.basic b/examples/demo.basic
@@ -1,9 +1,22 @@
+val = ""
+
+1 CLEAR
 OPEN h1
     PRINT "This is a demo app!"
 CLOSE
 
+OPEN p
+    PRINT "You typed: "
+    PRINT val
+CLOSE
+OPEN input
+BIND value val
+ATTRIBUTE onchange GOTO 1
+CLOSE
+
+
 i = 1
-10 IF i = 11 THEN 20
+10 IF i = 21 THEN 20
     OPEN p
     PRINT "Line #"
     PRINT i

diff --git a/runtime/src/index.ts b/runtime/src/index.ts
@@ -335,14 +335,18 @@ function renderNode(
           };
       }
     }
-    res.onchange = (e) => {
+    const last = res.onchange;
+    res.onchange = function (e) {
       for (const [key, value] of node.bindings.entries()) {
         const v: string = (e.target as any)[key];
         value({
           type: "string",
           value: v,
         });
       }
+      if (last !== null) {
+        (last as any)(e);
+      }
     };
     res.replaceChildren(...node.content.map((n) => renderNode(prog, ctx, n)));
     return res;