How To Increase Rows Of A Textarea

Sep 20, 2005

I want to add dynamically some rows in same textarea when a button of
addRows is clicked. Like,if i have 2 rows in a textarea then after clicking a button the rows must be increased to 4...

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Auto Size Textarea Rows

Jul 20, 2004

I have a bunch of dynamically generated (PHP) text area tags, and I want to put buttons next to them that automatically change their number of rows to the number of rows of text that appear in the text area.

So if there are 10 lines of text (wrapped, with an occasional line break), I want my javascript function to figure that out, and then set the appropriate value.

Here's what I came up with so far. taID is passed into the function as the ID tag value of the text area.

Code:

document.getElementById(taID).rows = parseInt(document.getElementById(taID).value.length/document.getElementById(taID).cols);
The problem (I think) is that when it encounters a line break, it only counts that as one character, whereas in theory I want it to count as the remainder of the line.

Can't figure out how to pull this off, though. Any ideas?

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Nov 11, 2007

the code is like following:

<textarea cols=40 rows=10 name=n style="overflow:auto"this is a test
about textarea and see how it works..... </textarea>

can i assign a variable to rows based on my contents length? or
javascript has any internal attribute i can use?

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May 1, 2009

i'm creating a ASP page, which is going to have a form in it that needs filling out. part of the form will be a table with a header row, then the next rows will have text boxes that need filling out. is there a way of putting in a dropdown box that contatins numbers that will dynamically show the rows. for example if i select 5, then five rows of text boxes will appear. if i select 14 then 14 appear.

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I have some JQuery that makes an Ajax call and then adds some rows to an existing table.

function
LoadDestinationTable() {
$("#destinationTable tr:gt(0)"[code]...

The problem is that the only place where the click event fires is on the rows that were added when the page was 1st rendered – the th, for example.I also tried adding an onclick event handler to the input button’s creation – that also does not fire.

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Feb 8, 2010

I realize this script and I do not know where to begin:

1) A simple grid rows / columns.

2) The first column contain an input type = "checkbox"

3) When select the input type, the line should change color than the other rows, and you should open a popup window.

For points 1, 2 you are OK. Point 3 is the difficulty.

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I have a HTML table with 800 rows. How can I delete rows that has no Activity & no $ in JavaScript(Red Colored Rows)? Please note I can have 1 or more than 1 assessments with 1 or more than 1 activity. Sample data.

NameAddressAssessmentActivity$
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AsifTorontoFirst Assessment

[code]....

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Jun 25, 2010

I have a script that I have been using to increase the year by 1 with a button click. Now I have a need to increase it by 3 when a certain condition exists. When docNum is like PE03.50.11/0022 and the number before the "/" is 11, I need to increase by 3. What I have is not working. It looks so simple. Can som fresh eyes give my some input?[code]

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Jul 1, 2010

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Jun 16, 2009

how can i make a div to increase only in the left direction depending on the text that is inserted into it?

for example i have the code bellow:

document.getElementById("apDiv8").style.right="20px";

how can I make the right side of it to stick to an specified position?

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JQuery :: $('textarea').elastic(); - Change Back To The Default Length Of Textarea?

May 13, 2011

How would i change back to the default length of textarea?

I have this comment area that after clicking submit i will append the new comment in the list of comments through ajax... i got one problem though, everything is working perfectly well except for the textarea that won't change back to it's default size...

EXAMPLE:

The problem is that the textareawon't change back to it's default size // let's say that the default size is rows=3

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Mar 4, 2011

I want to use the .css of jquery to take lets say 5 buttons css position absolute left value. I want increase this value. So it will move the buttons to the right. I have a button that when clicked that it will run this jquery code. Where the 5 buttons moves to the right. I want to do this all at ones. In otherwords I want to put $("#1_button,#2_button,#3_button").css("left": function (value) { code to increase left position value}); I want to do something like that. Is it possible? and how would one do it. what I want it to do is grab all the buttons left position value and then add numbers to it to increase all buttons left position shifting all to the right. So if I add 10px I want all buttons to increase by 10px causing it to move 10px to the right.

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Feb 17, 2011

I have some code that I downloaded from the internet that shows you how to add a row to the bottom of your table by clicking a link. I have a PHP variable that counts the rows of the data that I currently have in my MySQL table and I want the variable to be grabbed by this javascript and every time I add a row it puts the number at the end of my name of my input statement (within the javascript) increased by 1.

Here's my php that gets my count of my rows

Code:

And here's the javascript to add a row

Code:

So to recap, I'm looking to somehow have the id="navpn1" and the name="navpn1" actually be navpn($CNTROWS +1) the first time I click the 'Add Row' link and then navpn($CNTROWS +2) and so on...

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Jul 9, 2009

I would like to have the width of a div change automatically based on a number entered into a corresponding input box.

Eg:

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<input name="b1" value="20"></input>
<input name="c1" value="30"></input>
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<div class="r2" style="width:50%;"></div>
<div class="r3" style="width:50%;"></div>

Currently they are all just set at 50% width, I'd like the width to automatically adjust the width based on the input box value, without the user having to submit anything! If anything in jQuery exists like this to, to get a nice smooth scrolling that'd be lovely but not essential.

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To javascript and ve got stuck,

function resizeText(multiplier) {

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i am getting the following error with my example code below. Message: Object doesn't support this property or method i am wanting the buttons to increase or decrease the DIV

<html>
<head>
<title></title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">

[Code]...

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<script type="text/javascript">
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-->
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