How to get all text from all textboxes with class txt_Answer - javascript

<table id="tb_Answers">
<tbody>
<td>
<input class="txt_Answer" placeholder="Enter Answer">
</td>
<td>
<td colspan="4">
</tr>
</tbody>
<tr>
<td>
<input class="txt_Answer" placeholder="Enter Answer">
</td>
<td>
<td>
</tr>
<tr>
<td>
<input class="txt_Answer" placeholder="Enter Answer">
</td>
</tr>
</table>
I got 3 inputs with answers.How to get all this text/answer by class txt_Answer i tried this
$('*[class="txt_Answer"]').val()
but this returns me only the first value not all of thaem

By iterating and creating an array with $.map :
var values = $.map($('input.txt_Answer'), function(el) {return el.value;});
FIDDLE
You should also validate your HTML, as it's not valid

Try this code which is using the each method :
$('.txt_Answer').each(function() {
text = $(this).val()
alert(text)
})

Related

accessing html table elements in javascript

I would like to access the html input tag which is present inside a table inside a form as shown below. I have used the function below to access the element but I'm getting undefined in the output:
function checkForm()
{
var table=document.getElementById('register').getElementsByTagName('myTab');
document.writeln(table);
}
The above function returns undefined. Why, and how can it be fixed to return the input that I need?
<!DOCTYPE HTML>
<HEAD>
<META CHARSET = "utf-8">
<TITLE>Register</TITLE>
<link rel="stylesheet" type="text/css" href="reglog.css">
</HEAD>
<BODY>
<h1 align=center>Register with our portal</h1>
<FORM id="register" onsubmit="return checkForm();" METHOD="POST">
<table name="myTab" border = 0 align=center>
<tr >
<td> Username </td>
<td> </td>
<td><input name="username" class=textbox type = text required></td>
</tr>
<tr >
<td> Password </td>
<td> </td>
<td><input name="passwd" class=textbox type = password required></td>
</tr>
<tr >
<td> Confirm Password </td>
<td> </td>
<td><input name="c_password" class=textbox type = password required></td>
</tr>
<tr>
<td> </td>
<td> </td>
<td> <input class=button type = submit value = Register> </td>
</tr>
</table>
</FORM>
</BODY>
</HTML>
Javascript's getElementsByTagName function works, as it's name says, with html tag names (div, table, form, etc). In your case would be getElementsByTagName('table'). Instead you could use getElementsByName.
To get the table element with attribute myTab from the element with id register, you can chain a querySelectorAll() method to a getElementById() :
table = document.getElementById('register').querySelectorAll('table[name=myTab]')[0];
console.log(table)
<h1 align=center>Register with our portal</h1>
<FORM id="register" onsubmit="return checkForm();" METHOD="POST">
<table name="myTab" border=0 align=center>
<tr>
<td> Username </td>
<td> </td>
<td><input name="username" class=textbox type=t ext required></td>
</tr>
<tr>
<td> Password </td>
<td> </td>
<td><input name="passwd" class=textbox type=p assword required></td>
</tr>
<tr>
<td> Confirm Password </td>
<td> </td>
<td><input name="c_password" class=textbox type=p assword required></td>
</tr>
<tr>
<td> </td>
<td> </td>
<td> <input class=button type=s ubmit value=R egister> </td>
</tr>
</table>
</FORM>
Note that getElementsByTagName() get the elements from their name, not from their name attribute.
There are various ways to access form elements. In your code you can access form elements using
var x = document.getElementById("register").elements;
This will give you all the elements in your form. However if you want to access first element you can use something like below code
document.getElementById("register").elements[0].value // 0 is the index as per all the elements present in your form 'register'

Unable to fetch the input values from the form in jquery

I am fetching the values from the form page and then validating it. I am using jquery to handle the input objects and fetch the values which are entered by the user.
My HTML code is:
<form id="userDetails">
<table class="containFormTable" cellspacing="8">
<tr>
<td class="detail">Name:</td>
<td>
<input name="name" type="text" id="name" />
</td>
</tr>
<tr>
<td class="detail">Email-Id:</td>
<td>
<input name="emailId" type="text" id="emailId">
</td>
</tr>
<tr>
<td class="detail">Phone-No:</td>
<td>
<input name="phoneNo" type="text" id="phoneNo">
</td>
</tr>
<tr>
<td colspan="2" style="padding-top: 50px">
<input type="button" value="Submit" id="submit">
</td>
</tr>
</table>
</form>
My javascript file code which is fetching the data is:
$(document).ready(function() {
$('#submit').click(function() {
var name = $('#name').find('input[name="name"]').val();
var emailId = $('#emailId').find('input[name="emailId"]').val();
var phoneNo = $('#phoneNo').find('input[name="phoneNo"]').val();
});
});
The result I am getting in the variable name or any other is "undefined".
Where am I going wrong in it?
All you need to do is get the value from the elements, like this:
var name = $('#name').val();
var emailId = $('#emailId').val();
var phoneNo = $('#phoneNo').val();
Your code was getting a reference to the form fields, then looking for child elements (which input elements don't have, hence undefined) that were the same as the element that you already found and then trying to get the value of that.
Just remove .find('input[name="name"]') from each selector
$(document).ready(function(){
$('#submit')
.click(
function() {
var name = $('#name').val();
var emailId = $('#emailId').val();
var phoneNo = $('#phoneNo').val();
console.log(name);
console.log(emailId);
console.log(phoneNo);
});
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<form id="userDetails">
<table class="containFormTable" cellspacing="8">
<tr>
<td class="detail">Name:</td>
<td><input name="name" type="text" id="name"/></td>
</tr>
<tr>
<td class="detail">Email-Id:</td>
<td><input name="emailId" type="text" id="emailId"></td>
</tr>
<tr>
<td class="detail">Phone-No:</td>
<td><input name="phoneNo" type="text" id="phoneNo"></td>
</tr>
<tr >
<td colspan="2" style="padding-top: 50px"><input type="button" value="Submit" id="submit"></td>
</tr>
</table>
</form>

How to modify cloned field form value and id inside table row?

I have 2 fields in my form that I want to clone using jQuery, but the selecting html table structure got me confused on how to change the id and the value of my form field and also the label text. Here's the form field structure
<table>
<tbody>
<tr id="attribute-name">
<td class="label"><label for="listing_qty">quantity</label></td>
<td class="value">
<input id="listing_qty" name="field_name[]" value="quantity" class="required-entry disabled attribute-name input-text" readonly="1" type="text">
</td>
</tr>
<tr id="attribute-custom">
<td class="label"></td>
<td class="value">
<input id="listing_custom_field" name="custom_field[]" value="" placeholder="Custom Attribute Field" type="text" class=" input-text">
</td>
</tr>
</tbody>
</table>
You will need to clone the entire element and then update the id's, values, and text in the cloned element before inserting.
function appendClonedFormInput(el,
newId,
newInputId,
newLabelText,
newName,
newValue) {
// Clone and update id
var $cloned = $(el)
.clone()
.attr('id', newId);
// Update label
$cloned.find('label')
.attr('for', newInputId)
.text(newLabelText);
// Update input
$cloned.find('input')
.attr('id', newInputId)
.attr('name', newName)
.val(newValue);
return $cloned.insertAfter(
$('input').last().parents('tr'));
}
appendClonedFormInput('#attribute-name',
'new-attribute-id',
'new-inp-id',
'New Label',
'new_field',
'new value');
appendClonedFormInput('#attribute-custom',
'new-custom-id',
'new-custom-inp-id',
'New Custom',
'new_custom',
'new custom value');
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<table>
<tbody>
<tr id="attribute-name">
<td class="label">
<label for="listing_qty">quantity</label>
</td>
<td class="value">
<input id="listing_qty" name="field_name[]" value="quantity" class="required-entry disabled attribute-name input-text" readonly="1" type="text">
</td>
</tr>
<tr id="attribute-custom">
<td class="label"></td>
<td class="value">
<input id="listing_custom_field" name="custom_field[]" value="" placeholder="Custom Attribute Field" type="text" class=" input-text">
</td>
</tr>
</tbody>
</table>
You can clone the HTML element using .clone() jquery function and on the cloned HTML element perform all the jquery operation as we can perform on normal jquery selector.
Please check below working snippet. In snippet I have changed the label name and ids.
$(function(){
var _counter = 1;
$("#cloned_html").on("click",function(){
var $button = $('#attribute-name').clone().prop("id","attribute-name-"+_counter);
$button.find('#listing_qty').prop("id","listing_qty_"+_counter).val("quantity-"+_counter);
$button.find("label").html("Quantity-"+_counter);
var selector = '#attribute-name'
if(_counter>1){
selector = '#attribute-name-'+(_counter-1)
}
$($button).insertAfter(selector);
_counter++;
});
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<table>
<tbody>
<tr id="attribute-name">
<td class="label"><label for="listing_qty">quantity</label></td>
<td class="value">
<input id="listing_qty" name="field_name[]" value="quantity" class="required-entry disabled attribute-name input-text" readonly="1" type="text">
</td>
</tr>
<tr id="attribute-custom">
<td class="label"></td>
<td class="value">
<input id="listing_custom_field" name="custom_field[]" value="" placeholder="Custom Attribute Field" type="text" class=" input-text">
</td>
</tr>
</tbody>
</table>
<button id="cloned_html">Clone</button>
You should separate the final render from the template. Another important part of your feature would be assign an unique number to compose ids and names.
I would suggest you to implement a solution like https://github.com/BorisMoore/jquery-tmpl
Put the template inside a script node with an Id then copy it's content and replace {} occurrences as you need.

Accessing elements of class="input-append"

I'm using class="input-append" in <tr> so each row contains different inputs, and i have a button to append new inputs row,
<tr class="input-append">
<td>
<span>Person {{$index+1}}</span>
</td>
<td align="center">
Time From: <input type="text" ng-model="person.name"> Age: <input type="text" ng-model="person.age">
</td>
</tr>
for example:
ID,Name,Age , when i click the button a new row will be added. how i can access the inputs in javascript ?!! for example i want to access the Age in the second row.
regards.
Use document.getElementsByClassName() and QuerySelector
trs = document.getElementsByClassName("input-append");
personName = trs[1].querySelector("input[ng-model='person.name']").value;
personAge = trs[1].querySelector("input[ng-model='person.age']").value;
and your html
<table>
<tr class="input-append" >
<td>
<span>Person {{$index+1}}</span></td>
<td align="center">Time From: <input type="text" ng-model="person.name"> Age: <input type="text" ng-model="person.age">
</td>
</td>
</tr>
<tr class="input-append" >
<td>
<span>Person {{$index+1}}</span></td>
<td align="center">Time From: <input type="text" ng-model="person.name" value="testName"> Age: <input type="text" ng-model="person.age" value="testAge">
</td>
</td>
</tr>
</table>
See demo: http://jsbin.com/xemehoxono/edit?html,js,output

How to find the previous element height using jquery

I have a table which is defined like:
<table>
<tr>
<td>
<label>First</label>
</td>
<td>
<input type='text' style='widht:200px; height:100px;' />
</td>
<td>
<button class='but'></button>
</td>
</tr>
<tr>
<td>
<label>Second</label>
</td>
<td>
<select style='widht:100px; height:150px;'>
<option>one</one>
</select>
</td>
<td>
<button class='but'></button>
</td>
</tr>
<tr>
<td>
<label></label>
</td>
<td>
<input type='text' style='widht:200px; height:100px;' />
</td>
<td>
<button class='but'></button>
</td>
</tr>
<tr>
<td>
<label>Third</label>
</td>
<td>
<textarea style='widht:500px; height:200px;'></textarea>
</td>
<td>
<button class='but'></button>
</td>
</tr>
</table>
Then on button click I want to get the height of the previous control. So I wrote this code:
$(".but").live('click',function(){
alert($(this).prev().css('width'));
alert($(this).prev().css('height'));
});
But the alert's are showing the values as undefined. How can I solve this?
Use:
var input = $(this).parent().prev().find("input");
if(input) { // You have a select, so this won't be found in all circumstances
alert(input.css('width'));
alert(input.css('height'));
}
Use real width() to get real width of an element instead of width defined in css (.css('width')). The same applies for height:
$(".but").live('click',function(){
alert($(this).prev().width());
alert($(this).prev().height());
});
you can try: jsFiddle
$(".but").live('click',function(){
alert($(this).closest("tr").find('input').css('width'));
// OR
//alert($(this).closest("tr").find('select').css('width'));
});
In fact there is no previous target of your buttons.
If you want the TD height, you should call .parent() instead.
And please, pay attention to your HTML !
EDIT: Fiddle updated:
http://jsfiddle.net/jVsRW/4/
$(".but").on('click', function() {
// Of course display null for the first button that do not have a previous form element.
alert($(this).closest('tr').prev().find('input, select, textarea').height());
});

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