js获取struts2 集合

<s:hidden name="myList" id="myListHidden" />
<script type="text/javascript">
    var myList = JSON.parse(document.getElementById('myListHidden').value);
    console.log(myList);
</script>

public class MyAction extends ActionSupport {
    private List<String> myList = new ArrayList<>();

    // Getter and Setter for myList
}

function fetchMyList() {
    var xhr = new XMLHttpRequest();
    xhr.onreadystatechange = function() {
        if (xhr.readyState == 4 && xhr.status == 200) {
            var myList = JSON.parse(xhr.responseText);
            console.log(myList);
        }
    };
    xhr.open('GET', 'myActionURL', true);
    xhr.send();
}

public class MyAction extends ActionSupport {
    private List<String> myList = new ArrayList<>();

    public String execute() {
        // Populate myList
        return SUCCESS;
    }

    // Getter for myList
}

<s:iterator value="myList" var="item">
    <script type="text/javascript">
        var item = '<s:property value="#item"/>';
        console.log(item);
    </script>
</s:iterator>