​x
 
<!DOCTYPE html>
<html>
<body>
​
<h3>演示如何访问 URL 字段</h3>
​
首页：<input type="url" id="myURL" value="http://www.google.com">
​
<p>点击按钮来获得 URL 字段的 URL。</p>
​
<button onclick="myFunction()">试一下</button>
​
<p id="demo"></p>
​
<script>
function myFunction() {
    var x = document.getElementById("myURL").value;
    document.getElementById("demo").innerHTML = x;
}
</script>
​
</body>
</html>
​