still_123的专栏

//檢查空串function isEmpty(str){if((str == null)||(str.length == 0)) return (true);else return(false);}//檢查是否未數字function isDigit(theNum){   var theMask = "0123456789";if (isEmpty(theNum)) return(false);

//檢查身份證function checkAgentId(agentId){       if (agentId.length==10){         if (((agentId.charAt(0)=="A") && (agentId.charAt(1)=="A"))||((agentId.charAt(0)=="A") && (agentId.charAt(1)=="Z"))){