Create Number Validation Script.js

Author: SachinNarayanasamy

Client-Side Components/Client Scripts/Only number validation for input/Number Validation Script.js

@@ -0,0 +1,30 @@
+function onChange(control, oldValue, newValue, isLoading, g_form) {
+    if (isLoading || newValue === '') return;
+
+    var fieldName = control.name;
+    var fieldLabel = g_form.getLabel ? g_form.getLabel(fieldName) : fieldName;
+    var numericPattern = /^[0-9]+$/;
+
+    // Hide old messages safely
+    if (g_form.hideFieldMsg) g_form.hideFieldMsg(fieldName, true);
+
+    // Validation logic
+    if (!numericPattern.test(newValue)) {
+        // Reset only if API supported
+        if (g_form.setValue && typeof g_form.setValue === 'function') {
+            g_form.setValue(fieldName, oldValue);
+        }
+
+        // Show the message directly below the field
+        if (g_form.showFieldMsg) {
+            g_form.showFieldMsg(
+                fieldName,
+                'Please enter numbers only', // your custom message
+                'error',
+                false // false = display under the field, not at top
+            );
+        } else {
+            alert('Short Description filed accepts numbers only');
+        }
+    }
+}