題目:Write a form to send a query to Google maps. If the input is not in the format of coordinates, display an error and ask the user to retry. For example, an incorrect input may look like 12.a2,21.22
===============================
<html>
<head>
</head>
<body id="body">
<form action="https://maps.google.com/" id="exampleForm" method="get" name="q" onsubmit="return check()">
<input id="examplePass" name="q" type="text" />
<input type="submit" value="submit" />
</form>
</body>
<script>
document.getElementById("exampleForm").onsubmit = function(){
var passwordRegex =/^([+-]?)(180|(1[0-7][0-9](\.)?(\d)?(\d)?(\d)?(\d)?(\d)?(\d)?)|([0-9]?[0-9](\.)?(\d)?(\d)?(\d)?(\d)?(\d)?(\d)?)),([+-]?)(90|(([0-8]?[0-9])|([0-8]?[0-9](\.)(\d)(\d)?(\d)?(\d)?(\d)?(\d)?)))$/;
if(!passwordRegex.test(document.getElementById("examplePass").value)){
console.log("Regex didn't match");
return false;
var notify = document.getElementById("notify");
if(notify === null){
notify = document.createElement("p");
notify.textContent = "ERROR";
alert("錯誤!Incorrect format");
notify.id ="notify";
var body =document.getElementById("body");
body.appendChild(notify);
}
}
};
</script>
</html>
