With a html type=file, how can I validate to determine if a file was uploaded, (for client side validation using javascript or jquery)
<form action="program" enctype="multipart/form-data" method="post">
<input type="text" name="textline" size="30">
<input type="file" name="datafile">
<input type="submit" value="Send">
</form>
<script>
if (something )
message = "You did not upload a file...";
</script>
Same way as any other input, look at the value. For example
<form id="programform" action="program" enctype=...
<script type="text/javascript">
document.getElementById('programform').onsubmit= function() {
if (this.elements.textline.value==='')
alert('Please enter a description.');
if (this.elements.datafile.value==='')
alert('Please choose a file to upload.');
else
return true;
return false;
}
</script>
Thanks for the push in the right direction... Here is what I was looking for.
<form name="registration_2" id="registration_b" action="registration_b.php" method="post" nctype="multipart/form-data" accept-charset="UTF-8" onsubmit="return check_checkboxes();">
<input type="text" name="textline" id="textline" size="30">
<input type="file" name="datafile" id="school_logo_id">
<input name="no_school_logo_id" id="no_school_logo_id" type="checkbox" onclick="no_school_logo(this);"/>Our school does not have a logo
<input type="submit" value="Send">
</form>
<script type="text/javascript">
function check_checkboxes()
{
var logo = document.getElementById('school_logo_id');
var nologo = document.getElementById('no_school_logo_id');
if (logo.value==='' && nologo.checked===false)
alert('Must enter logo file or check no file available.');
}
</script>
Related
This is my html code
<form method="get" action="https://example.com/i">
Username : <input type="text" name="uname"></input>
<br/>
<input type="submit" value="search"></input>
</form>
When I search something in it, it redirects to example.com/i/username/? but I want it to be redirect to example.com/i/username. There should be no / and ? at the end of the url
Here's the way to go...
var search = document.getElementById('search');
search.addEventListener('click', function() {
var name = document.getElementById('name');
//Redirect the client to the desired URL, if the name is valid.
location.href = 'https://example.com/i/' + encodeURIComponent(name.value);
});
<form method="get" action="https://example.com/i" id="myForm">
Username : <input type="text" id="name"></input><br/>
<input type="button" value="search" id="search"></input>
</form>
I have a sitekey and I want to reproduce the captcha locally. However, when I open the html it says invalid domain for sitekey.
this is the code in my html file:
<script type='text/javascript' src='https://www.google.com/recaptcha/api.js'></script>
</head>
<body>
<form method="post" action="you cannot see this link">
<input type="text" placeholder="productcode_size" name="pid">
<input type="text" placeholder="productcode" name="masterPid">
<input type="hidden" value="1" name="Quantity">
<input type="hidden" value="" name="x-PrdRtt" id="captcha_val">
<input type="hidden" value="Add To Bag overlay" name="layer">
<input type="hidden" name="ajax" value="true">
<br>
<br>
<br>
<br>
<div style="opacity: 0.3" class="g-recaptcha" data-sitekey="you cannot see this sitekey"></div>
<br>
<div class="contionue-shopping-wrapper">
<form class="co-formcontinueshopping" action="You cannot see this link" method="post" id="dwfrm_cart_d0ffhvzsobkp">
<fieldset>
<button class="rbk-button-red button-primary bp-black right" type="submit" value="Continue Shopping" name="dwfrm_cart_continueShopping">
<span>Continue Shopping</span>
</button>
</fieldset>
</form>
</div>
</form>
<script>
check = setInterval(function() {
v = document.getElementById('g-recaptcha-response').value
if (v.length > 0) {
var r = '&x-PrdRtt='+v+'"">ATC Link</a>';
document.getElementById('captcha_val').value = v
var sz = document.getElementById('sz').value;
var pid = '?ajax=true&pid='+sz;
document.getElementById('hack').innerHTML = '<a href="'+document.forms[0].action+pid+r;
clearInterval(check);
}
}, 400)
</script>
</body>
</html>
Please can someone help me fix this? I want to be able to complete the captcha locally to extract the captcha response.
According to this page https://developers.google.com/recaptcha/docs/start
If you would like to use "localhost" for development,
you must add it to the list of domains.
so simply add "localhost" (or "127.0.0.1") , that should work for you.
I've some form like this:
<form action="#" method="post">
<input type="text" name="website" />
</form>
How I can find if user enter website with http:// or without? I want to show it in:
<a href="value from input">
Any suggestions how to validate this form and send it to database as right link like: http://website...?
You may use javascript to validate input.
function validate()
{
var input = document.getElementsByName("website")[0].value;
if(input.startsWith("http://")) {
alert("valid input");
return true;
}
alert("invalid input");
return false;
}
<form action="#" method="post" onsubmit="return validate()">
<input type="text" name="website" />
<input type="submit" />
</form>
I need to add a path to a file to the form url before submitting. I created therefore a text field and want to add the text to the url without php.
can somebody help?
the existing code:
<form action="http://127.0.0.1:8080/WebService1/HTTPMethod_1?new_value=value" method="post">
<input type="text" value="" size="30" name="filename">
<input type="submit" name="submit" value="Submit" class="continue-button">
</form>
look into using hidden input fields. these allow you to send form data, but not necessarily show a form field.
for instance:
<script type="text/javascript">
function setFormAction() {
document.myForm.action = document.getElementById("url").value;
}
</script>
<form name="myForm" method="POST" action="default.php">
<input type="value" name="url" id="url" />
<input type="submit" name="submit" onclick="setFormAction();" />
</form>
I have a form that can be called from any page. It opens on top of the current page with z-index. I cannot use php in this case. The form is send to a cgi to process the values. It is necessary to put something in "redirect" if I leave it blank it don't works. In redirect is there a way to put the value to the current page whatever it is?
<Form id="formulari" method="POST" action="http://cgi.domain.com/FormMail.pl">
<p>
<input type="hidden" name="recipient" value="info#domain">
<input type="hidden" name="subject" value="IB4 correu">
<input type="hidden" name="redirect" value="TheSamePageWeAre">
</p>
<form>
<input type="text" name="name" value="name"/>
<input type="submit" value="Send"/>
</form>
Put this javascript at the end of the page.
<script type='text/javascript'>
document.getElementsByName('redirect')[0].value = window.location.pathname;
</script>
Set an id on the hidden field, for example id="redirect", and use this Javascript:
<script>
window.onload = function (){
document.getElementById('redirect').value = location
}
</script>