代码示例:(标识:jsck_decodeuricomponent)
<!DOCTYPE html>
<html>
<body>

<p>请单击按钮,在编码 URI 后对其解码。</p>

<button onclick="myFunction()">试一试</button>

<p id="demo"></p>

<script>
function myFunction() {
  var uri = "https://sou-xun.com/mytest.php?name=ståle&car=saab";
  var uri_enc = encodeURIComponent(uri);
  var uri_dec = decodeURIComponent(uri_enc);
  var res = "Encoded URI: " + uri_enc + "<br>" + "Decoded URI: " + uri_dec;
  document.getElementById("demo").innerHTML = res;
}
</script>

</body>
</html>
运行结果: