HealthScan Finding : Prevent insert update operation in before BRs (#2150)

* Create test.js

* Delete Specialized Areas/Fix scripts/test.js

* Create script.js

* Create README.md

Author: raghavs046

Client-Side Components/Client Scripts/Health Scan Prevent Insert Update in Before BRs/README.md

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+**Client script Deatils**
+1. Table: sys_script
+2. Type: onSubmit
+3. UI Type: Desktop
+
+**Benefits**
+1. This client script will prevent admin users to do insert/update operation in  onBefore business rules.
+2. It will help to avoid HealthScan findings thus increasing healthscan score.
+3. Will prevent recursive calls.
+
+Link to ServiceNow Business Rules best Practise : https://developer.servicenow.com/dev.do#!/guide/orlando/now-platform/tpb-guide/business_rules_technical_best_practices

Client-Side Components/Client Scripts/Health Scan Prevent Insert Update in Before BRs/script.js

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+function onSubmit() {
+    /*
+	This client script will prevent insert and update operation in onBefore business rules.
+    Table: sys_script
+    Type: onSubmit
+    Ui Type: Desktop
+    */
+    var whenCond = g_form.getValue('when'); // when condition of business rule
+    var scriptVal = g_form.getValue('script'); // script value of business rule.
+
+    if (whenCond == 'before' && (scriptVal.indexOf('insert()') > -1 || scriptVal.indexOf('update()')) > -1) {
+        alert("As per ServiceNow best Practise insert and update should be avoided in onBefore BRs. If you still want tp proceed try deactivating client script : " + g_form.getUniqueValue());
+        return false;
+    }
+}