Find out if a URL field must be filled out before submitting a form:
var x = document.getElementById("myURL").required;
Click the button to find out if the URL field must be filled out before submitting the form.
elements with type="url" are not supported in Safari.
<!DOCTYPE html> <html> <body> <form action="/action_page.php"> Homepage: <input type="url" id="myURL" name="website" required> <input type="submit"> </form>/*w w w.j a va2 s . co m*/ <button onclick="myFunction()">Test</button> <p id="demo"></p> <script> function myFunction() { var x = document.getElementById("myURL").required; document.getElementById("demo").innerHTML = x; } </script> </body> </html>
The required property sets or gets whether a URL field must be filled out before submitting a form.
This property mirrors the HTML required attribute.
Value | Description |
---|---|
true | The URL field is a required part of form submission |
false | Default. The URL field is not a required part of form submission |
The required property returns true if the URL field is a required of form submission, otherwise it returns false.