How to call apex method when enter key is pressed in visualforce page

How to call apex method when enter key is pressed in visualforce page

Apex Class:
public class EnterKeyEvent {
    public String name {get;set;}
    public void apexMethod() {
        system.debug('Inside Apex Method');
    }

}
Visualforce Page:
<apex:page controller="EnterKeyEvent">
    <script type='text/javascript'>
        function check(ev)  {
            if (window.event && window.event.keyCode == 13 || ev.which == 13) {
                callingApexMethod();
                return false;
             } else {
                  return true;
             }
        }
    </script>
    <apex:form>
        <apex:actionFunction action="{!apexMethod}" name="callingApexMethod"/>
        <apex:inputText value="{!name}" onkeypress="return check(event);"/>
    </apex:form>
</apex:page>
Output:
Enter any text in textbox and then press 'Enter Key'.