diff --git a/development/issues/closed/210.html b/development/issues/closed/210.html
new file mode 100644
index 0000000000000000000000000000000000000000..9605885e7ce37e51b34202c1740edd207cdce257
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+++ b/development/issues/closed/210.html
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+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>initializing of reloaded html fields #210</title>
+    <script src="./210.mjs" type="module"></script>
+</head>
+<body>
+<h1>initializing of reloaded html fields #210</h1>
+<p></p>
+<ul>
+    <li><a href="https://gitlab.schukai.com/oss/libraries/javascript/monster/-/issues/210">Issue #210</a></li>
+    <li><a href="/">Back to overview</a></li>
+</ul>
+<main>
+
+    <monster-datasource-rest id="ds210"
+                             data-monster-option-read-url="/issue-210.json"
+                             data-monster-option-write-url="/issue-210"
+                             data-monster-option-write-acceptedstatus="400::200"                             
+                             data-monster-option-features-autoinit="true">
+    </monster-datasource-rest>
+
+    <monster-dataset data-monster-option-index="0"
+                     data-monster-option-datasource-selector="#ds210"
+                     data-monster-option-mapping-data="">
+        ID:
+        <div data-monster-replace="path:data.id"></div>
+        <div data-monster-replace="path:data.name"></div>
+    </monster-dataset>
+
+
+    <monster-form data-monster-option-datasource-selector="#ds210"
+                  data-monster-option-mapping-data=""
+                  data-monster-option-features-mutationobserver="true"
+    >
+
+        <monster-field-set data-monster-option-labels-title="my title">
+
+            <label for="id">field id</label><input id="id" type="number"
+                                                   data-monster-attributes="value path:data.id"
+                                                   data-monster-bind="path:data.id">
+
+            <label for="name">field name</label><input id="name" data-monster-attributes="value path:data.name">
+        </monster-field-set>
+        <monster-field-set data-monster-option-labels-title="">
+
+            <monster-datasource-save-button data-monster-option-datasource-selector="#ds210">ok
+            </monster-datasource-save-button>
+
+        </monster-field-set>
+
+
+    </monster-form>
+
+</main>
+</body>
+</html>
+
+
+
+
diff --git a/development/issues/closed/210.mjs b/development/issues/closed/210.mjs
new file mode 100644
index 0000000000000000000000000000000000000000..42c71cbdb8aa3b635d5725c7f23361eda2d0c63a
--- /dev/null
+++ b/development/issues/closed/210.mjs
@@ -0,0 +1,111 @@
+/**
+ * @file development/issues/open/210.mjs
+ * @url https://gitlab.schukai.com/oss/libraries/javascript/monster/-/issues/210
+ * @description initializing of reloaded html fields
+ * @issue 210
+ */
+
+import "../../../source/components/style/property.pcss";
+import "../../../source/components/style/color.pcss";
+import "../../../source/components/style/normalize.pcss";
+import "../../../source/components/style/typography.pcss";
+import "../../../source/components/style/form.pcss";
+
+import "../../../source/components/datatable/datasource/rest.mjs";
+import "../../../source/components/datatable/save-button.mjs";
+import "../../../source/components/form/form.mjs";
+import "../../../source/components/form/field-set.mjs";
+import "../../../source/components/form/select.mjs";
+import "../../../source/components/form/context-help.mjs";
+import "../../../source/components/form/context-error.mjs";
+import {domReady} from "../../../source/dom/ready.mjs";
+
+domReady.then(() => {
+
+    // get html from server '/issue-210.html' and insert after last field in form
+    fetch('/issue-210.html')
+        .then(response => response.text())
+        .then(html => {
+            const form = document.querySelector('monster-form');
+            const fieldSet = document.querySelector('monster-field-set');
+            if (!fieldSet) {
+                return;
+            }
+            fieldSet.insertAdjacentHTML('beforeend', html);
+            
+            
+//            form.refresh();
+            
+        });
+
+
+});
+
+
+
+/**
+ * Interne Daten löschen, nicht übertragen
+ * Änderungen werden global geändert
+ * diese Werte stehen nach dem speichern nicht mehr zur Verfügung
+
+for (const [key, value] of Object.entries(data.dataset)) {
+    for (const [k, v] of Object.entries(data.dataset[key])) {
+        if (k.indexOf(internalDataPrefix) !== -1) {
+            delete data.dataset[key][k];
+        };
+    }
+}
+
+//nicht mit den Original daten arbeiten 
+//da sich so auch die Originaldaten ändern
+let currentData = clone(data);
+
+let d = diff(currentData.dataset,lastData.dataset);
+
+/**
+ * Daten für den nächsten Vergleich speichern
+
+lastData = clone(currentData);
+
+let changedKeys = [];
+for (const [key, value] of Object.entries(d)) {
+    let index = value.path[0]
+    if(changedKeys.includes(index)===false){
+        changedKeys.push(index);
+    }
+}
+
+/**
+ * Daten die sich nicht geändert haben löschen
+
+let updateData = [];
+for (const [key, value] of Object.entries(currentData.dataset)) {
+    if(changedKeys.includes(key)===true){
+        updateData.push(currentData.dataset[key]);
+    }
+};
+
+
+/**
+ * Zeit umformatieren für die Daten die noch
+ * übertragen werden sollen
+
+for (const [key, value] of Object.entries(updateData)) {
+    let time = updateData[key]?.scheduler?.time;
+    if (time !== undefined) {
+        /**
+         * Locale Zeit '2024-03-22T11:22:33'
+
+        let d = new Date(Date.parse(time));
+        /**
+         * UTC Zeit '2024-03-22T10:22:33.000Z'
+
+        d = d.toISOString();
+        updateData[key].scheduler.time = d;
+    }
+
+}
+
+return updateData;
+
+*/
\ No newline at end of file
diff --git a/development/mock/issue-210.js b/development/mock/issue-210.js
new file mode 100644
index 0000000000000000000000000000000000000000..d8fce82c3ea3cda639650aba2e178270a05063ee
--- /dev/null
+++ b/development/mock/issue-210.js
@@ -0,0 +1,101 @@
+const json = 
+    `[
+                {
+                    "id": 1000,
+                    "name": "order 1",
+                    "load1": "value load row 1:1",
+                    "load2": "value load row 1:2",
+                    "load3": "value load row 1:3"
+                },
+                {
+                    "id": 1001,
+                    "name": "order 2",
+                    "load1": "value load row 2:1",
+                    "load2": "value load row 2:2",
+                    "load3": "value load row 2:3"
+                }
+               
+            ]`;
+
+
+// check if json is valid
+JSON.parse(json)
+
+const json400Error=`[
+                {
+                    "sys": {
+                        "type": "Error",
+                        "message": "Invalid request"
+                    }
+                }
+            ]`
+
+// check if json is valid
+JSON.parse(json400Error)
+
+
+const json200Error=`[
+                {
+                    "sys": {
+                        "type": "Error",
+                        "message": "Invalid request"
+                    }
+                }
+            ]`
+
+// check if json is valid
+JSON.parse(json200Error)
+
+
+const html = `
+<label for="load1">field load 1</label><input id="load1" data-monster-attributes="value path:data.load1">
+<label for="load2">field load 2</label><input id="load2" data-monster-attributes="value path:data.load2">
+<label for="load3">field load 3</label><input id="load3" data-monster-attributes="value path:data.load3">
+`;
+
+
+
+const requestDelay = 100
+
+export default [
+    {
+        url: '/issue-210.json',
+        method: 'get',
+        rawResponse: async (req, res) => {
+            res.setHeader('Content-Type', 'application/json')
+            res.statusCode = 200
+
+            setTimeout(function() {
+                res.end(json)
+            }, requestDelay);
+        },
+    },
+
+    {
+        url: '/issue-210',
+        method: 'post',
+        rawResponse: async (req, res) => {
+            res.setHeader('Content-Type', 'application/json')
+            res.statusCode = 400
+
+            setTimeout(function() {
+                res.end(json400Error)
+            }, requestDelay);
+        },
+    },
+
+    {
+        url: '/issue-210.html',
+        method: 'get',
+        rawResponse: async (req, res) => {
+            res.setHeader('Content-Type', 'text/html')
+            res.statusCode = 200
+            
+            setTimeout(function() {
+                res.end(html)
+            }, 4000);
+
+        },
+    }
+
+];
\ No newline at end of file