use parseFloat for number type

gadget_json_generated_form_child.js

@@ -668,6 +668,13 @@
             input.value = json_field.default;
           }
           input.type = "number";
+          input.setAttribute("data-json-type", type);
+          if (type === "integer") {
+            input.setAttribute("step", "1");
+          }
+          if (type === "number") {
+            input.setAttribute("step", "any");
+          }
         } else {
           if (default_value === undefined && typeof json_field.default === "string") {
             input.value = json_field.default;
@@ -1094,7 +1101,9 @@
         g.props.inputs.forEach(function (input) {
           if (input.required || input.value !== "") {
             var type = input.getAttribute('data-json-type');
-            if (input.type === 'number') {
+            if (type === 'number') {
+              json_dict[input.name] = parseFloat(input.value);
+            } else if (type === "integer") {
               json_dict[input.name] = parseInt(input.value, 10);
             } else if (type === "boolean") {
               if (input.value === "true") {