Root71

Client-Side Components/Catalog Client Script/Real time count of letters/Count letters.js

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+function onChange(control, oldValue, newValue, isLoading) {
+    if (isLoading) {
+        return;
+    }
+
+    var maxChars = 100;//count of charaters 
+    var currentLength = newValue.length;
+
+    // Clear previous messages
+    g_form.clearMessages();
+
+    // Show info message
+    g_form.addInfoMessage('Character count: ' + currentLength + ' / ' + maxChars);
+
+    if (currentLength > maxChars) {
+        // Show error message
+        g_form.addErrorMessage('Character limit exceeded! Please shorten your text.');
+        g_form.showFieldMsg('short_description', 'Too many characters!', 'error');
+
+        // Make field mandatory to block submission
+        g_form.setMandatory('short_description', true);
+    } else {
+        // Remove mandatory if valid
+        g_form.setMandatory('short_description', false);
+    }
+}

Client-Side Components/Catalog Client Script/Real time count of letters/readme.md

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+This onChange Catalog Client Script displays the current character count for a text field and enforces a maximum limit by showing error messages and making the field mandatory to prevent form submission when exceeded.