zkoss/zk

<zk xmlns:x="xhtml">
    <div id="bind" apply="org.zkoss.bind.BindComposer"
        viewModel="@id('vm') @init('org.zkoss.zktest.zats.zuti.vm.ForEachVM')">
        <div id="host">
            <forEach begin="@load(vm.begin)" end="@load(vm.end)" step="@load(vm.step)"
                var="x">
                <label value="${x}"/>
            </forEach>
        </div>
        <button label="update range 1~5" onClick='@command("updateRange",begin=1,end=5)'/>
        <button label="update range 5~9" onClick='@command("updateRange",begin=5,end=9)'/>
        <button label="update step 3" onClick='@command("updateStep",step=3)'/>
    </div>
    <debugger rootId="host" />
</zk>