<html>
<body>
<form action="https://www.w3schools.com/action_page.php" target="_blank">
First name: <input type="text" name="fname" value="Donald"><br>
Last name: <input type="text" name="lname" value="Duck"><br>
<button id="myBtn" formmethod="get" type="submit">Submit</button>
</form>
<p>Click the two buttons below to change the formmethod of the submit button in the form above.</p>
<button onclick="setGet()">GET</button>
<button onclick="setPost()">POST</button>
<p id="demo"></p>
<script>
function setGet() {
document.getElementById("myBtn").formMethod = "GET";
document.getElementById("demo").innerHTML = "The formaction is now 'GET'.";
}
function setPost() {
document.getElementById("myBtn").formMethod = "POST";
document.getElementById("demo").innerHTML = "The formaction is now 'POST'.";
}
</script>
</body>
<!-- Mirrored from www.w3schools.com/jsref/tryit.asp?filename=tryjsref_pushbutton_formmethod2 by HTTrack Website Copier/3.x [XR&CO'2014], Wed, 05 Jun 2019 14:46:06 GMT -->
</html>