Dynamic client script to make fields read only (#2415)

* Create script.js

* Create reame.md

Author: bharakm

Client-Side Components/Client Scripts/Dynamic script to make fields read only/reame.md

@@ -0,0 +1,5 @@
+Dynamic script to make fields read only
+
+It runs when the field value changes.On change client script
+If the new value equals '7', it retrieves all editable fields using g_form.getEditableFields().
+Then it loops through each field and sets it to read-only using g_form.setReadOnly().

Client-Side Components/Client Scripts/Dynamic script to make fields read only/script.js

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+/*
+It runs when the field value changes.
+If the new value equals '7', it retrieves all editable fields using g_form.getEditableFields().
+Then it loops through each field and sets it to read-only using g_form.setReadOnly().
+
+*/
+
+
+function onChange(control, oldValue, newValue, isLoading, isTemplate) {
+    if (isLoading || newValue === '') {
+        return;
+    }
+
+
+    if (newValue == '7') { // update condition as required
+        var fields = g_form.getEditableFields();
+        for (var i = 0; i < fields.length; i++) {
+            g_form.setReadOnly(fields[i].getName(), true);
+        }
+