Javascript Ajax DOM add onsubmit to a form

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In my project i create using Ajax DOM a POST form. I have to add an onsubmit method, i try:

var impform = document.createElement("FORM");
impform.method = "post";
impform.onsubmit = "/import_templ";

but wher i load my webpage form are created ok and method was POST but there isn't the onsubmit method.

How can i add my onsubmit method to the form?

Thanks in advance

The value assigned to the onsubmit property (or attached with addEventListener, which is the modern approach) needs to be a function.

You are assigning a string.

function submitHandler(e) {
    e.preventDefault();
    document.body.style.background = '#aaf';
}

var impform = document.createElement("form");
impform.method = "post";
impform.action = "http://example.com/";
impform.addEventListener("submit", submitHandler);

var btn = document.createElement("input");
btn.type="submit";

impform.appendChild(btn);
document.body.appendChild(impform);

onsubmit Event, onsubmit Event. ❮ DOM Events ❮ Event Object. Example. Execute a JavaScript when a form is submitted: <form onsubmit="myFunction()"> Enter name: <input� Javascript Ajax DOM add onsubmit to a form. Related. 4090. Create GUID / UUID in JavaScript? 7638. How do JavaScript closures work? 5181. What is the most efficient

for example. DOM form/input access and click button submit.

<form method="post" name="form_test">
  <button type="button" name="submit_test" >test</button>
</form>
<script>
document.form_test.method = "post";
document.form_test.action = "/import_templ";
document.form_test.addEventListener("click", submit);
function submit () {
  document.form_test.submit();
}
</script>

HTML onsubmit Event Attribute, Execute a JavaScript when a form is submitted: <form onsubmit="myFunction()"> Enter name: <input type="text"> <input type="submit"> </form>. Try it Yourself �� AJAX (Asynchronous JavaScript and XML) is the art of exchanging data with a server, and updating parts of a web page – without reloading the whole page. Our earlier blog post already explained about form submission without page refresh, but it was done by using ajax, PHP and jQuery.

In believe that /import_templ is the road you want to access so you have to put this in the action of the form not onsubmit

impform.method = "/import_templ";

then change you button type to "submit" IMPORT THIS TEMPLATE

jQuery submit() Method, The submit event occurs when a form is submitted. This event can only be used on <form> elements. The submit() Attach a function to the submit event:. You will need the onsubmit handler to prevent the default action, so that only when the ajax response comes back and the response is true, you can then submit it from there.

HTML DOM Form submit() Method, Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, PHP, Python, Bootstrap, Java� The form should be in the center of the window. The form is modal. In other words, no interaction with the rest of the page is possible until the user closes it. When the form is shown, the focus should be inside the <input> for the user. Keys Tab/Shift + Tab should shift the focus between form fields, don’t allow it to leave for other page

Sending forms through JavaScript, But forms can also prepare an HTTP request to send via JavaScript, for example Sending arbitrary data asynchronously is generally called AJAX, which The XMLHttpRequest (XHR) DOM object can build HTTP requests, send them, Add the required HTTP header for form data POST requests XHR. The "magic" is in the JavaScript: // Because we want to access DOM nodes, // we initialize our script at page load. window.addEventListener( 'load', function { // These variables are used to store the form data const text = document.getElementById( "theText" ); const file = { dom : document.getElementById( "theFile" ), binary : null }; // Use

HTMLFormElement: submit event, The submit event fires when a form is submitted. Interface, SubmitEvent. Event handler property, GlobalEventHandlers.onsubmit JavaScript. function� The submit event fires when a form is submitted. Note that the submit event fires on the <form> element itself, and not on any <button> or <input type="submit"> inside it. . However, the SubmitEvent which is sent to indicate the form's submit action has been triggered includes a submitter property, which is the button that was invoked to trigger the submit re

Comments
  • onsubmit is a method, here you have assigned it to a string, so it cannot be executed. Perhaps you mean to use action instead of onsubmit?
  • Possible duplicate of stackoverflow.com/questions/13849659/…