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JavaScript - Reading Input Type=image Or Multiple Submit Buttons
Hate to ask this as I know it's an easy one but surprisingly Google turns up no clear/simple answers!
I'm modifying some old code and am not JS programmer (I'm a PHP programmer) and this is driving me nuts. The existing code makes sure that when the form is submitted that there isn't a missing value. There's also some hidden input values. The JS starts out function checkform(orderform) and the form tag includes onsubmit="return checkform(this);"> I can add an alert to the form to see varius input values, such as a hidden value for the input name 'description' I can use: alert (orderform.description.value) Eazy peazy. However the form has two different input type=image buttons now and I need to do some branching in the JS depending on which image button they press. I recall IE had an issue where it only sends the x and y coordinates So I figure an easy to determine which image button was pressed is just check to see if the x or y value for each button is non-zero. But I can't for the life of me figure out how to access the value. Example: alert (orderform.button1.x.value) doesn't work. Can someone refresh my memory or suggest an entirely different method for detecting which image button was used to submit a form? THanks in advance! Similar TutorialsI have a page with a customizable background. The user can choose a picture to set as the background by finding the picture file they want after clicking the upload input. The path of the file they select is saved into a cookie, and the page then switches backgrounds. This all works perfectly, but the value that the upload input returns is only the file name, not the full path. For example, let's say I wanted to choose a picture named "bg.jpg" in the "Windows" folder of the C drive. The full path would be "C:/Windows/bg.jpg". However, the value that the input returns is just "bg.jpg". How would I have the input return the entire path of the file using JavaScript? This has been bothering me for a while...any help would be much appreciated. Below is a script I found at http://bytes.com/topic/javascript/an...cookie-problem The idea is a like button, like on fb, in a form which updates a db field I can use to display the number of likes, and my goal is to disable the like button for the rest of the session, or a day, or whatever. This script disables it onclick, the problem is I can't figure out how to get it to submit the form as well. I have found it does submit if the input type is 'submit', but then it doesn't call the disable function. I tried writing another function to submit the form but no go. Code: <html>
<head>
<title>Vote Button</title>
<script type="text/javascript">
function checkForVote()
{
// If there is a cookie...
if(document.cookie != "")
{
if(getCookie("voted") == 1)
{
// Disable the button again if user already voted.
disableButton();
}
}
}
function disableButton()
{
var submitvote = document.getElementById("submitvote");
submitvote.disabled = true;
submitvote.value = "You Already Voted.";
}
function setCookie(name, value, days)
{
if(days)
{
var date = new Date();
date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
var expires = "; expires = " + date.toGMTString();
}
else
{
var expires = "";
}
document.cookie = name + "=" + value + expires + "; path=/";
// Disable the button as soon as the user clicks it.
disableButton();
}
function getCookie(name)
{
var nameEQ = name + "=";
var ca = document.cookie.split(';');
for(var i=0; i < ca.length; i++)
{
var c = ca[i];
while (c.charAt(0)==' ')
{
c = c.substring(1,c.length);
}
if (c.indexOf(nameEQ) == 0)
{
return c.substring(nameEQ.length,c.length);
}
}
return null;
}
</script>
</head>
<body>
<form name="voteform" id="voteform" action="foo.php" method="post">
<input type="button" name="submitvote" id="submitvote" onclick="setCookie('voted', 1, -1);" value="Submit Vote"/>
</form>
</body>
<script type="text/javascript">
// Run checkForVote() at end of document so that form and contents can be referenced
window.onload = checkForVote();
</script>
</html>
print "<Font face=\"calibri, Arial\"><table id=\"rnatable\" border=2px width=100%>"; print "<th></th>"; print "<th>a</th>"; print "<th>b</th>"; print "<th>c</th>"; print "<th>d</th>"; print "<th>e</th>"; print "<th>f</th>"; print "<th>g</th>"; while($array = mysql_fetch_array($sql_query)) { $id=$array['a']; print "<tr id=\"newtr\">"; print "<td><input id=\"check\" type=\"checkbox\" name=\"keyword[]\" value=\"$id\" ></td>"; print "<td>".$array['a']."</td>"; print "<td>".$array['b']."</td>"; print "<td>".$array['c']."</td>"; print "<td>".$array['d']."</td>"; print "<td>".$array['e']."</td>"; print "<td>".$array['f']."</td>"; print "<td> <a href=\"http://localhost/rnasearch/retrieve.php?a=$id\">bla</a> </td></tr></font>"; } print "</table>"; } this is part of a php searchengine script that i wrote to retrieve data from a database and as you can see the last column that is g contains a link which when clicked takes the user to the second php script which retrieves additional information of that entry, but this is done for only single entries so as you can see i introduced checkboxes so that the user can check any number of checkboxes and retrieve information as per their wish now to do this i created a <input type=text where i want the value of these checkboxes i.e. $id to be posted in a delimited format so that the user can then click the corresponding button and retrieve the information this is the code <div id="floatMenu"> <ul class="menu1"> <center><li><form name="senddata" method="POST" action="http://localhost/retrieve.php" style="display:inline;"><input id="fasta" type="text" class="multitext"><input name="Fasta" type="Submit" value="Retrieve Fasta"></form> this is a css floating menu....so far so good....everything went fine.... after this i had to write a javascript to do this and i've been stuck there searching forums for the last 4 days! this is the javascript i found from somewhere which came close to doing wht i wanted it to do window.onload = function () { var cb = document.getElementById('check'); var fasta = document.getElementById('fasta'); cb.onclick = function () {fasta.value = cb.value + ","; };}; this script only sends the value of the first checkbox in the table, the others are not found by it, mind you its not the first checkbox selected its the first checkbox that is present in the table how can i resolve this problem so that even if i have n number of checkboxes in my table, if the user chooses to do so they can retrieve n number of information....please help i've almost lost hope in this! In fact: does input type=image belong to the form's elements collection, in ECMAScript ? It looks like not. When traversing the form's elements collection with classical javascript (document.forms[formname].elements), an input type="image" is not included. Is this an inheritance from old browsers interpretors? Does anyone know the reason for this omission? I need to change input type="text" to input type="password" via JavaScript Code: <form id="login" action="#" method="post"> <input id="username-field" type="text" name="username" title="Username" onmousedown="javascript:this.value=''; javascript:this.focus();" value="Username" tabindex="1" /> <input id="password-field" type="text" name="password" title="Password" onmousedown="javascript:this.value=''; javascript:this.type='password'; javascript:this.focus();" value="Password" tabindex="2" /> <input type="submit" name="submit" value="sign in" tabindex="3" /> </form> This works in Firefox and Safari but not IE So then I tried this code Code: <script type="text/javascript">
function passit(ip){
var np=ip.cloneNode(true);
np.type='password';
if(np.value!=ip.value)
np.value=ip.value;
ip.parentNode.replaceChild(np,ip);
}
</script>
<form id="login" action="#" method="post">
<input id="username-field" type="text" name="username" title="Username" onmousedown="javascript:this.value=''; javascript:this.focus();" value="Username" tabindex="1" />
<input id="password-field" type="text" name="password" title="Password" onmousedown="javascript:this.value=''; passit(this.form[0]); javascript:this.focus();" value="Password" tabindex="2" />
<input type="submit" name="submit" value="sign in" tabindex="3" />
</form>
This does what I need but turns the username type to password field not the password box Please can somone help! Hi all, i have seen that there is an input type 'reset' which i presum clears all fields in a form? But anyway i did not know this existed and my implementation requires a bit more sophistication so i had already written code to do a custom reset of the boxes whilst keeping and updating certain key values. This works fine. My question is, for the actual 'submit' of the data in a form do i have to use a button of type 'submit'? It is actually better for me in this instance that i do not as the special message windows i am using will close - and in the case of errors in the user input this is not desirable - so i have written the error handling etc with window staying open in mind, so that user can correct their errors and resubmit. To accomplish this i changed my input into type 'button' and it works fine When i click 'the submit button' it checks fields for valid data first - can i use its return value to somehow activate or not the actual form data sending? Like i have Code: <input type = "button" style = "font-size:18;" value= " Submit "onclick = "CheckValid()"/> I could be calling 'SendForm()' or something here instead and have check valid called from within SendForm() i norder to determin it's return type, how can i use this to decide if the form data is valid to send or not? and how could i use the return value in the html like this? should i A: think it is possible to send all the data from within the onclick function so i use that to decide if it gets sent from internal calls there and display thank you message if so, if not display error message. should i B: Disable the sending button until the fields contain valid data? Or use a second button to confirm data then allow a submit button to be pressed? This was climbing up the tree strructure, where on top and only on very top is one input of type text Now I inserted (inside tree) some inputs of type hidden , which needs to be ignored while below while operates. How to do that ? Getting nowhere with this. Code: function doit(tmpObj)
{
while (!tmpObj.getElementsByTagName('input')[0])
{
tmpObj.style.visibility = 'hidden';
tmpObj = tmpObj.parentNode;
}
...
Howdy I have a <input type="File"> in my html, I need it because the user can select a jpg image and when they click submit it will post that image to a webservice. My question... Is their a way to load the file they selected so that I can draw it on a canvas? Sounds simple but I cannot figure it out! Thanks in advance Eckythump I have an input element of type=text. It has a fixed width, but I want to expand that width as the user is typing if the text doesn't fit inside. I did something similar to this with <textarea> and the vertical height. PHP Code: // javascript in mootools textarea.addEvent('keyup', function(){ textarea.setStyle('height', this.getScrollSize().y ); }); Does anyone know of a way to do this with <input type='text'>? Newbie here. I could not find the syntax how to set initial value he Code: var indat = window.clipboardData.getData ("Text");
.
.
.
.
.
<input type="text" name="q" value="xxxxxx" size="40" />
I would like the value to be the indat var value I saw lot of samples with value="xxxxx" (hard coded value) but could not find sample for var value thanks for help !! Hello, I'm currently trying to figure out how I can make each radio button call a different page. For example If i click on radio button 1 and click submit it will take me to www.website1.com and if I click radio button 2 and click submit it will take me to www.website2.com. I would really appreciate your help Thank you Eric I have written some code below which hopefully changes teh value of the flag using JavaScript, I now want to request the value of the flag to see if it's a 1 or a 2? Code: <script>
function collatedata()
{
document.f1.flag.value=1;
document.f1.submit();
}
function generateinvoices()
{
document.f1.flag.value=2;
document.f1.submit();
}
</script>
<input type="hidden" name="flag" id="flag" />
<a href="javascript:collatedata();" class="button"><span>Collate</span></a>
<a href="javascript:generateinvoices();" class="button"><span>Generate</span></a>
Hello all, I have in my application input type file for uploading files. How can i do javascript validation to check if filename has special characters in it?? Thanks <script type="text/javascript"> function showhide(divid) { thediv = document.getElementById(divid); if(thediv.style.display == 'none' || thediv.checked=='true' ){ thediv.style.display='block' }else{ thediv.style.display='none' } } </script> This part its working: <input type=checkbox name=type value='1' onclick="return showhide('div1');">Submit - 1 <input type=checkbox name=type value='2' onclick="return showhide('div2');">Submit - 2 This part its not working <input type=checkbox name=type value='1' checked="checked" onclick="return showhide('div1');">Submit - 1 <input type=checkbox name=type value='2' onclick="return showhide('div2');">Submit - 2 how i can make if its already check input value 1 to show div1 but if i remove the checked to dont show anymore div1 thanks hi guyz i do have a problem in passing javascript variable to <input type=hidden value=""> here's my code: <?php while ($row = mysql_fetch_array($result)) { ?> <script type="text/javascript"> function viewcodec(){ var randomValueCodec = randomString(5, 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789'); document.getElementById('commentMarkCodeCompCodec-'+<?php echo $row['p_id'];?>).innerHTML = randomValueCodec; document.getElementById('commentMarkCodeComp-'+<?php echo $row['p_id'];?>).innerHTML = randomValueCodec; } </script> <form action="" method="post" name="postsForms"> <div class="commentBox" align="right" id="commentBox-<?php echo $row['p_id'];?>" <?php echo (($comment_num_row) ? '' :'style="display:none"')?>> <input type=text id="commentMarkname-<?php echo $row['p_id'];?>" name="commentmarkname" class="commentMarkname" size="35" maxlength="20"> <textarea class="commentMark" id="commentMark-<?php echo $row['p_id'];?>" name="commentmark" cols="60"></textarea> <input type=text id="commentMarkcode-<?php echo $row['p_id'];?>" name="commentmarkcode" class="commentMarkcode" size="35" maxlength="20"> <br clear="all" /> <span id='commentMarkCodeCompCodec-<?php echo $row['p_id'];?>'><b><script type="text/javascript">viewcodec();</script></b></span> <input type="hidden" id="commentMarkCodeComp-<?php echo $row['p_id'];?>" name="commentMarkCodeComp" value=""> <br clear="all" /> <br clear="all" /> <a id="SubmitComment" style="float:right" class="small button comment"> Comment</a> </div> </form> <?php } ?> Hi guys, Let me explain simply what I do and what I'm trying to achieve: I got a couple of comboboxes were the user selects a series of numbers. Once a selection is made, the value is appended to an input box. The idea is that the appended values form a telephone number, or at least part of one, that will then be used to search trough a database to look for a matching number. The code below is what I have done so far: Code: <script type="text/javascript">
function displayIndicatif(){
var sel = document.getElementById("indicatif");
var text = sel.options[sel.selectedIndex].value;
var out = document.getElementById("blabla");
out.value += text+"\n";
}
function displayBloc(){
var sel1 = document.getElementById("bloc");
var text1 = sel1.options[sel1.selectedIndex].value;
var out1 = document.getElementById("blabla");
out1.value += text1+"\n";
}
</script>
[...]
<input type="text" id="blabla"/>
[..]
<select id="indicatif" onChange="displayIndicatif();">
<option value="021">021</option>
<option value="022">022</option>
<option value="031">031</option>
</select>
<select id="bloc" onChange="displayBloc();">
<option value="555" class="021">555</option>
<option value="666" class="021">666</option>
<option value="777" class="021">777</option>
</select>
Basically what happens now is this: combobox indicatif: 021 | 022 | 031 combobox bloc: 555 | 666 | 777 If I select "021" from indicatif, the script will append 021 to the input "blabla". The problem is, if I now select "022", the input will show "021022" instead of replacing the 021 with 022. What I would like is that, for each combobox, the script replaces the selected value with the new one instead of simply appending it, like instead of say 021022555666 it would show 021555 or 022666 or 021666 depending on what is selected...you get the idea? Is this doable? Needless to say I'm a total noob at javascript...I adapted the code I got now from some other guy who was trying to achieve almost the same thing and adapted it to my needs, or least, tried to, but now I'm stuck. Any help is appreciated! Thanks Hi, I've got a form, and it contains a JS function to validate input (e.g. check for empty fields / valid email etc). I currently only have one submit button, which takes a user to a preview screen for the data they entered. I'd like to add a 2nd button to allow them to send the data right away, skipping the preview bit. However, I can't see how to have one form, with 2 buttons, and for each button to have a different destination, AND for each button to call the form validation JS. In fact, what I'm trying to do is much the same as this newthread page on this form, as it has the "Submit New Thread" and "Preview Post" buttons, each taking the user to a different page, each firing the form validation JS. I'd be grateful for any advice about how to do this. Thanks! Within my project, using PHP/HTML/Javascript, I am trying to set up a page where a corresponding submit button is enabled when a given checkbox is checked. What complicates my attempt is that the checkboxes and submit buttons are in the form of arrays. Here is a snippet of my code: Code: <form name="myform4" id="list_apps" method="post">
<?php
for ($i=0; $i<$num_rows;$i++)
{
?>
<p>
<input type="checkbox" name="app[]" id="app[]" onclick="enable_perm()">
<input name="set_perm[]" type="submit" id="set_perm[]" value="Set Permissions">
</p>
<?php
}
</form>
Here is my attempt at using Javascript to disable the first submit button after clicking any check box: Code:
function enable_perm()
{
document.myform4.set_perm[0].disabled = true;
}
What am I missing here, or, how do I enable/disable submit buttons that are part of an array? Is it necessary (or advisable) to place <form> tags around input buttons? They seem to work fine either way. Code: <input type="button" value=" Home " onClick="parent.main.location='home.htm'"> Hey guys, I'm a noob with javascript and I only know simple HTML coding, so I have become stuck. I can program in other languages though, so I understand the principles. That being said, I have become stuck with something. My aim is to have a series of page where text is displayed, and then two or more buttons. Once a button is clicked, I want the screen to clear and it displays the next lot of text, followed by some more buttons. Once they are pushed, it continues on. So basically, each section has its own code that it pushes, plus its own buttons which lead to other sections. I am not trying to make a choose your own adventure book, but the layout is basically one of these. I can do this in another language by simply having a few sections. Inside each section, it retrieves the option and proceeds. However, when I am trying to do this, I am getting confused. The way my other programming experience tells me to write it, I would write a function which is called for each section, and it would display the text, the buttons, and return to the main function in the program. However, because the buttons are in HTML, I cannot put code for the new buttons instead the functions. If I put the code inside the body of HTML, it will automatically be displayed. I cannot write an if statement to determine which buttons are displayed. Can you please give me some advice around this? I hope I have made myself clear enough to be understood!! One other thing I should mention, I really want to be able to do this in a single HTML file instead of calling other files. I think this would work fine by using frames and multiple HTML files, but I would prefer not to unless I really need to. One file would be much better for me. Thanks! Below is the basic code I am working from. It displays the first section with some text, displays two buttons and it goes to the next section on a button click. Code:
<html>
<head>
<script type="text/javascript">
function button1()
{
document.write("Button 1 was pushed. Insert text here. Choose from two new buttons below:");
}
function button2()
{
document.write("Button 2 was pushed. Insert text here. Choose from two new buttons below:");
}
</script>
</head>
<body>
<form>
<input type="button" value="Button1" onClick="button1()" />
<input type="button" value="Button2" onClick="button2()" />
</form>
</body>
</html>
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