demo: catch if getContent() return undefined

d201e83c · Boris Kocherov · f22b8ad4 · d201e83c
Commit d201e83c authored May 13, 2018 by Boris Kocherov
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demo/gadget_demo_json_schema_form.js demo/gadget_demo_json_schema_form.js +3 -0

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--- a/demo/gadget_demo_json_schema_form.js
+++ b/demo/gadget_demo_json_schema_form.js
@@ -145,6 +145,9 @@
            return g.getContent();
          })
          .push(function (ret) {
+            if (ret === undefined) {
+              ret = {};
+            }
            document.getElementById("json_document_content").textContent =
              JSON.stringify(ret, null, "  ");
          });