deleteAll全选的name
1. $("input[name='deleteAll']").is(":checked")
2. $("input[name='deleteAll']").prop("checked")
3. deleteAll.checked
设置选着的状态
$("input[name='delete']").prop("checked", false);
例子:全选选中,子全选中;全选不选,子全不选。子全选中,全选选中;子部分选中,全选不选。
$("input[name='deleteAll']").click(function(){ if ( $("input[name='deleteAll']").prop("checked") ) { $("input[name='delete']").prop("checked", true); } else { $("input[name='delete']").prop("checked", false); } }); $("input[name='delete']").click(function () { if (this.checked) { var all = $("input[name='delete']").length; var sub = $("input[name='delete']:checked").length; if (all === sub) { $("input[type='checkbox']").prop("checked", true); } } else { $("input[name='deleteAll']").prop("checked", false); } }); <s:checkbox name="deleteAll" value="false"></s:checkbox> <s:checkbox name="delete" value="#userItem.selected"></s:checkbox> <s:checkbox name="delete" value="#userItem.selected"></s:checkbox> <s:checkbox name="delete" value="#userItem.selected"></s:checkbox> <s:checkbox name="delete" value="#userItem.selected"></s:checkbox> <s:checkbox name="delete" value="#userItem.selected"></s:checkbox>