run zul, click button
<zk xmlns:w="client"> <button label="log zk.chrome" w:onClick="zk.log(zk.chrome)"/> <button label="log zk.edge" w:onClick="zk.log(zk.edge)"/> </zk>
zk.chrome -> true zk.edge -> false
zk.chrome -> false zk.edge -> true
ZK-4118 Add zk.edge_legacy for old version Microsoft Edge