# Form Validation
Pages is packaged with [jQuery Validation Plugin](http://jqueryvalidation.org/) which is currently the de-facto plugin for form validation.
{% hint style="info" %}
Please refer to [jQuery Validation Plugin Documentation](http://jqueryvalidation.org/) to learn about plugin options
{% endhint %}
**Step one**
Include the relevant javascript files inside the ``before core template script inclusions, if it's not there already.
```markup
```
## **Error messages**
`showErrors` and `errorPlacement` functions of jQuery Validate have been overridden in Pages core. As a result, the way error messages are displayed will differ depending on the form layout style you've declared in the code
### **Standard**
Standard way of showing error messages. Will appear on any form except for forms with attached groups.
### **Attached**
Recommended to use with Pages default form style having attached elements with `.form-group-attached` wrapper. The error messages will appear in the form of popovers.
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