I have this code to validate 2 input text, but how can I validate same input for
dynamic intput text ? meaning input text quantity can be up to 100 or more.
<input type="text" id="id1" />
<input type="text" id="id2" />
$('input').blur(function() {
if ($('#id1').attr('value') == $('#id2').attr('value')) {
alert('Same Value');
return false;
} else { return true; }
});
If you want to check all the inputs are the same (I gather that's what you're trying to do) you could just loop through them by using a function like this:
function validate() {
for (var i = 2; i <= 100; i++) {
if ($('#id' + x).val() !== $('#id' + (x - 1)).val()) {
return false;
}
}
return true;
}
Of course, you may want to create inputs themselves using a loop too if you'll have that many on the page.
<input type="text" id="id1" onblur="validate()">
<input type="text" id="id2" onblur="validate()">
<p style="display: none">Test</p>
<script type="text/javascript">
function validate() {
for (var i = 1; i <= 2; i++) {
if ($('#id' + i).val() == $('#id' + (i - 1)).val()) {
$( "p" ).show( "slow" ); return false;
}
else
{
$( "p" ).hide( 1000 );
}
}
return true;
}
</script>
What I did is this hope someone can you this in future reference
Related
How to check value in input using loop for with onchange using javascript ?
first, When user fill char. It's will be show Your Price must be a number.
And if user fill number less than 1.5 It's will show Your Price must be at least $1.50 USD.
and click Add more link to add input.
I try my code , but not work, how can i do that ?
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js"></script>
<form onsubmit="return checkform(this);">
Add more
<div id="p_scents_price">
<p>
<label>
<input type="text" class="price" id="price0" size="20" name="price[]" onchange="myFunction0()"/><p id="demo0"></p>
</label>
</p>
</div>
<input type="submit" name="submit" value="OK">
</form>
<script>
var list = document.querySelectorAll(".price");
for (z = 0; z < list.length; ++z) {
function myFunction'+z+'() {
var x = document.getElementById("price'+z+'").value;
var y = isNaN(x);
if(y === true)
{
document.getElementById("demo'+z+'").innerHTML = "Your Price must be a number.";
}
else
{
if(x < 1.5)
{
document.getElementById("demo'+z+'").innerHTML = "Your Price must be at least $1.50 USD.";
}
else
{
document.getElementById("demo'+z+'").innerHTML = "";
}
}
}
}
}
</script>
<script>
$(function() {
var scntDiv = $('#p_scents_price');
var i = 1;
$('#addScnt_price').live('click', function() {
$('<p><label><input type="text" class="price" id="price'+i+'" size="20" name="price[]" onchange="myFunction'+i+'()"/>Remove<p id="demo'+i+'"></p></label></p>').appendTo(scntDiv);
i++;
return false;
});
$('#remScnt_price').live('click', function() {
if( i > 2 ) {
$(this).parents('p').remove();
}
return false;
});
});
</script>
Ok i have multy fields with same name, and i want to check is all fields are not empty. My code works if i have only one input, but i have no idea how to do that with more inputs
<input class = "new_input" type=text name="name[]"/>
<input class = "new_input" type=text name="name[]"/>
function validation(){
var x = document.forms["form"]["name"].value;
if(x ==='')
{
$("#warning").html("Morate uneti vrednost!").css('color','red');
return false;
}
else
{
return true;
}
}
for example if enter only one field, validation will work, and i want to check all fields
Using just JS you could do something like
<input class="new_input" type="text" name="name[]">
<input class="new_input" type="text" name="name[]">
<input class="new_input" type="text" name="name[]">
<input class="new_input" type="text" name="name[]">
<button onclick="validate()">Validate</button>
<script type="text/javascript">
function validate() {
var inputs = document.getElementsByTagName("input");
var empty_inputs = 0;
for(var i = 0; i < inputs.length; i++) {
if(inputs[i].name.indexOf('name') == 0) { // check all inputs with 'name' in their name
if (inputs[i].value == '') {
empty_inputs++;
console.log('Input ' + i + ' is empty!');
}
}
}
if (empty_inputs == 0) {
console.log('All inputs have a value');
}
}
</script>
You have tagged jquery, so I have given something which works in jquery
http://jsfiddle.net/8uwo6fjz/1/
$("#validate").click(function(){
var x = $("input[name='name[]']")
$(x).each(function(key,val){
if($(val).val().length<=0)
{
$("#warning").html("Morate uneti vrednost!").css('color','red');
}
});
});
Try this:
function validate(){
var error = 0;
$.each( $("input[name='name[]']"), function(index,value){
if( value.value.length == 0){
$("#warning").html("Morate uneti vrednost!").css('color','red');
error = 1;
return;
}
});
if(!error){
$("#warning").html("");
}
}
Check it out here: jsFiddle
http://jsfiddle.net/R89fn/9/
If any of the text input/Box added are empty then the page must not submit.when I try to retrieve values from the text inputs using their id`s nothing gets retrieved is it possible to retrieve values from elements added dynamically?
$("#submit").click(function (event) {
var string = "tb";
var i;
for (i = 1; i <= count; i++) {
if (document.getElementById(string+1).value=="") {
event.preventDefault();
break;
}
}
});
The above code is what I am using to get the value from the text fields using there id
I took a look on the code in the JSFiddle. It appears that the input textboxes are not given the intended IDs; the IDs are given to the container div.
The code for the add button should use this,
var inputBox = $('<input type="text" id="td1">') //add also the needed attributes
$(containerDiv).append(inputBox);
Check out this solution on fiddle: http://jsfiddle.net/R89fn/15/
var count = 0;
$(document).ready(function () {
$("#b1").click(function () {
if (count == 5) {
alert("Maximum Number of Input Boxes Added");
} else {
++count;
var tb = "tb" + count;
$('#form').append("<div class=\"newTextBox\" id=" + tb + ">" + 'InputField : <input type="text" name="box[]"></div>');
}
});
$("#b2").click(function () {
if (count == 0) {
alert("No More TextBoxes to Remove");
} else {
$("#tb" + count).remove();
--count;
}
});
$("#submit").click(function (event) {
var inputBoxes = $('#form').find('input[type="text"]');;
if (inputBoxes.length < 1) {
alert('No text inputs to submit');
return false;
} else {
inputBoxes.each(function(i, v) {
if ($(this).val() == "") {
alert('Input number ' + (i + 1) + ' is empty');
$(this).css('border-color', 'red');
}
});
alert('continue here');
return false;
}
});
});
<form name="form" id="form" action="htmlpage.html" method="POST">
<input type="button" id="b1" name="b1" value="Add TextBox" />
<input type="button" id="b2" name="b2" value="Remove TextBox" />
<input type="submit" id="submit" name="submit" value="Submit" />
</form>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js">
</script>
<script>
var count = 0;
$(document).ready(function() {
$("#b1").click(function() {
if (count == 5) {
alert("Maximum Number of Input Boxes Added");
} else {
++count;
var tb = "tb" + count;
$(this).before("<div class=\"newTextBox\" id= "+ tb +" >" + 'InputField : <input type="text" name="box[]"></div>');
}
});
$("#b2").click(function() {
if (count == 0) {
alert("No More TextBoxes to Remove");
} else {
$("#tb" + count).remove();
--count;
}
});
$("#submit").click(function(event) {
var string = "#texttb";
var i;
for (i = 1; i <= count; i++) {
if ($('input[type = text]').val() == "") {
event.preventDefault();
break;
}
}
});
});
</script>
<style>
.newTextBox
{
margin: 5px;z
}
</style>
Reason:
you had given id to the div element. so its not get retrive. i had updated the answer with the usage of jquery functions and changed your code for this requirement.
If I understand correctly, your only issue atm is to make sure that the form is not sent if one of the inputs are empty? Seems the solution to your problem is simpler. Simply add required at the end of any input and HTML5 will ensure that the form is not sent if empty. For example:
<input type="text" required />
<input id="post" type="text" style="width:400px;"/>
You know when you go to a site, start typing in a textbox, and all of a sudden, your keyboard stops typing stuff because you've reached the character limit?
How can I make that happen for this textbox for 140 chars?
Use the maxlength attribute.
<input id="post" type="text" style="width:400px;" maxlength="140" />
Using the jQuery Limit plugin : http://jsfiddle.net/AqPQT/ (Demo)
<script src="http://jquery-limit.googlecode.com/files/jquery.limit-1.2.source.js"></script>
<textarea ></textarea>
<span id="left" />
and
$('textarea').limit('140','#left');
see also: http://unwrongest.com/projects/limit/
If you are looking for a sans-jquery solution, just use the maxlength attribute.
<input type="text" maxlength="140" />
function limitChars(textid, limit, infodiv) {
var text = $('#'+textid).val();
var textlength = text.length;
if(textlength > limit) {
$('#' + infodiv).html('You cannot write more then '+limit+' characters!');
$('#'+textid).val(text.substr(0,limit));
return false;
}
else {
$('#' + infodiv).html('You have '+ (limit - textlength) +' characters left.');
return true;
}
}
// Bind the function to ready event of document.
$(function(){
$('#comment').keyup(function(){
limitChars('comment', 140, 'charlimitinfo');
})
});
Try this piece of code..
var limitCount;
function limitText(limitField, limitNum)
{
if (limitField.value.length > limitNum)
{
limitField.value = limitField.value.substring(0, limitNum);
}
else
{
if (limitField == '')
{
limitCount = limitNum - 0;
}
else
{
limitCount = limitNum - limitField.value.length;
}
}
if (limitCount == 0)
{
document.getElementById("comment").style.borderColor = "red";
}
else
{
document.getElementById("comment").style.borderColor = "";
}
}
<input type="text" id="comment" name="comment" onkeyup="limitText(this,20);" onkeypress="limitText(this,20);" onkeydown="limitText(this,20);" />
I am available with the solution given by #Tomalak for MY QUESTION could you pls help me out with it as its giving me an error in firebug as : frm.creatorusers is undefined
[Break On This Error] var rdo = (frm.creatorusers.length >...rm.creatorusers : frm.creatorusers;
I used the code for validating radio button as:
function valDistribution(frm) {
var mycreator = -1;
var rdo = (frm.creatorusers.length > 0) ? frm.creatorusers : frm.creatorusers;
for (var i=0; i<rdo.length; i++) {
if (rdo[i].checked) {
mycreator = 1;
//return true;
}
}
if(mycreator == -1){
alert("You must select a Creator User!");
return false;
}
}
Here is how to use the code you were given by #Tomalak but did not copy correctly
function valDistribution(frm) { // frm needs to be passed here
var myCreator=false;
// create an array if not already an array
var rdo = (frm.creatorusers.length > 0) ? frm.creatorusers : [frm.creatorusers];
for (var i=0; i<rdo.length; i++) {
if (rdo[i].checked) {
myCreator=true;
break; // no need to stay here
}
if (!myCreator){
alert("You must select a Creator User!");
return false;
}
return true; // allow submission
}
assuming the onsubmit looking EXACTLY like this:
<form onsubmit="return valDistribution(this)">
and the radio NAMED like this:
<input type="radio" name="creatorusers" ...>
You can try this script:
<html>
<script language="javascript">
function valbutton(thisform) {
myOption = -1;
alert(thisform.creatorusers.length);
if(thisform.creatorusers.length ==undefined) {
alert("not an array");
//thisform.creatorusers.checked = true;
if(thisform.creatorusers.checked) {
alert("now checked");
myOption=1;
alert("You selected button number " + myOption
+ " which has a value of "
+ thisform.creatorusers.value);
}
}
else {
for (i=thisform.creatorusers.length-1; i > -1; i--) {
if (thisform.creatorusers[i].checked) {
myOption = i; i = -1;
}
}
if (myOption == -1) {
alert("You must select a radio button");
return false;
}
alert("You selected button number " + myOption
+ " which has a value of "
+ thisform.creatorusers[myOption].value);
}
}
</script>
<body>
<form name="myform">
<input type="radio" value="1st value" name="creatorusers" />1st<br />
<!--<input type="radio" value="2nd value" name="creatorusers" />2nd<br />-->
<input type="button" name="submitit" onclick="valbutton(myform);return false;" value="Validate" />
<input type="reset" name="reset" value="Clear" />
</form>
</body>
</html>