<idioma script = javascript> function check () {var xz = document.getElementById ("xz"); alerta (xz.ckceched); } </script> <html> <meta http-equiv = "content-type" content = "text/html; charset = utf-8"/> <type de entrada = caixa de seleção = "xz" iD = "xz" Value = 1> <input Type = Subster = S1 Nome =/"" 提交 "OnClick"