As I work on developing a form, my primary goal is to prevent users from submitting incorrect information. Is there a way to achieve this using javascript? Please forgive any typos as English is not my first language and I am relying on a translator for assistance. Thank you.
Utilize the jQuery validation plugin to handle incorrect form submissions.
For further information and a tutorial on how to implement this, visit: jQuery validation plugin tutorial
Without much information to go on, here's a possible solution to your problem. If you're filling out a form and want to have control over when it gets submitted, try passing the click event to the form. Then, in your function, simply add
event.preventDefault()
at the beginning of your code. This will prevent the form from being submitted automatically.
<DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>avoiding duplicate submissions</title>
<script type="text/javascript">
function submit() {
document.getElementById("submit").value = "sending...";
document.getElementById("submit").disabled = true;
return true;
}
</script>
</head>
<body>
<form id="formulario" action="#"> <!-- replace the asterisk with the URL to send form*/-->
<input type="button" value="Send" onclick="this.disabled=true; this.value='sending ...'" /> <!--adding this.form.submit sends the form-->
</form>
</body>
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