473,802 Members | 2,015 Online
Bytes | Software Development & Data Engineering Community
+ Post

Home Posts Topics Members FAQ

how to limit the characters in textarea

14 New Member
Hello,

I created a textarea and want to limit the maxlength to be to 255 characters. Can you help me please?

<textarea rows="3" cols="55" name="abc" id="input" /></textarea>

Is there any way to do with javascript? I will trim off when users reach the maxlength.

Thanks.
Mar 16 '07 #1
3 2248
mrhoo
428 Contributor
To limit the user typing characters you can look at the textarea.value. length on each keyup, and reset the value to value.substring (0,255) if necessary.

If someone pastes a lot of text in the textarea with ctrl+v you will likewise catch the keyup, but you might belt and suspender an onchange event to trim it as well, in case the browser edit buttons are used for the paste.
Mar 16 '07 #2
mohsenhosseini
28 New Member
hi dear.

[HTML]
<textarea id="myTextArea " onkeydown="(thi s.value.length > 5)?this.value=t his.value.subst r(0,5):this.val ue=this.value.s ubstr(0,5);">
</textarea>
[/HTML]

best regards.
MH
Mar 16 '07 #3
toffynet
1 New Member
That's very useful but if I need limit the caracters to type in text area but in order to the selection with a combobox I mean if I select MEXICO you just must can write 5 chars but if I select anyone else you just can write 8 chars in the type field, I try everything but I can't do it help me!!!!!!!!
Apr 20 '07 #4

Sign in to post your reply or Sign up for a free account.

Similar topics

6
23084
by: Jay | last post by:
I have an HTML form with a textarea. When passing large amount of data in the textarea, the Processing asp pages catch an error message as follows: Error Type: (0x80020009) Exception occurred. The error is generated once the trim or length or replace function is called on the field when long text is passed in the textarea.
4
29539
by: wing | last post by:
Hi all, I find a JavaScript that limits the field length in a textarea, but it is not completed. The script does not handle the copy and paste case. For example, says the textarea field length is limited to 5 and a 6-character length text is pasted, no event is triggered. (The script only handles onKeyPress and onKeyUp)
5
12159
by: Jesper Rønn-Jensen | last post by:
I have a textarea that must be limited to 70 characters. No big deal -- at least so I thought. * Textarea must not exceed 70 characters * Exceeding content must be cut off * Must work on input by keyboard (keypress, keyup events) * Must work on pasted input from context menu * Must work on pasted input via CTRL+V and similar * Must work on pasted input via browsers menu>Edit>Paste * Must work in Mozilla + IE and coded via W3C standards
5
2225
by: JohnSouth | last post by:
Hi In a TextBox I can set a maximum size for the entry. Is there a way of limiting the number of characters being entered into a TextArea control? John South www.wherecanwego.com
6
3488
by: @sh | last post by:
Guys, Working on a function to alert the user to too many characters being entered into a text area, I've put together this function so far borrowing bits from resource websites... function Ash_LimitMaxTextAreaCharacters(TheMaxCharacters,TheFriendlyFormName) { if(document.myform.box.value.length > TheMaxCharacters) { alert('Sorry but '+TheFriendlyFormName+' contains too many characters,
2
2719
by: cyborg | last post by:
hi, i've a text area in my page and i want to limit user to key-in 200 characters only.once it goes beyond 200, i'm firing an alert message that the limit is reached. but when i use ctrl+a to select the data in the field, the alert fires everytime and not allowing me to select. i just want to allow ctrl+a, c and disable ctrl+v in the field once the limit is reached. somebody plz help. my script is like this. function fnValidateDesc(e,fm){ ...
7
2156
Haitashi
by: Haitashi | last post by:
This is in the head: <script language="javascript" type="text/javascript"> function limitText(limitField, limitCount, limitNum) { if (limitField.value.length > limitNum) { limitField.value = limitField.value.substring(0, limitNum); } else { limitCount.value = limitNum - limitField.value.length; } } </script>
3
4205
by: teser3 | last post by:
I have the below that limits the textarea input to 500 characters but cant get the alert message to work. It doesnt show anything. Please advise. <script language="javascript" type="text/javascript"> function limitText(limitField, limitCount, limitNum) { if (limitField.value.length limitNum) { limitField.value = limitField.value.substring(0, limitNum); alert("You are trying to enter more than 500 characters"); } else {
7
3117
by: =?ISO-8859-1?Q?=22=C1lvaro_G=2E_Vicario=22?= | last post by:
I need to emulate the missing "maxlegth" attribute in "textarea" fields but all my Google searches either lead to obsolete scripts that overwrite the "value" property (thus losing caret position) or to complex solutions that work on top of specific frameworks. Do you have some reference on how to do it? I'd like to make it work in at least Firefox and IE 6 and 7. Thank you in advance,
0
9699
marktang
by: marktang | last post by:
ONU (Optical Network Unit) is one of the key components for providing high-speed Internet services. Its primary function is to act as an endpoint device located at the user's premises. However, people are often confused as to whether an ONU can Work As a Router. In this blog post, we’ll explore What is ONU, What Is Router, ONU & Router’s main usage, and What is the difference between ONU and Router. Let’s take a closer look ! Part I. Meaning of...
0
10305
jinu1996
by: jinu1996 | last post by:
In today's digital age, having a compelling online presence is paramount for businesses aiming to thrive in a competitive landscape. At the heart of this digital strategy lies an intricately woven tapestry of website design and digital marketing. It's not merely about having a website; it's about crafting an immersive digital experience that captivates audiences and drives business growth. The Art of Business Website Design Your website is...
0
10063
tracyyun
by: tracyyun | last post by:
Dear forum friends, With the development of smart home technology, a variety of wireless communication protocols have appeared on the market, such as Zigbee, Z-Wave, Wi-Fi, Bluetooth, etc. Each protocol has its own unique characteristics and advantages, but as a user who is planning to build a smart home system, I am a bit confused by the choice of these technologies. I'm particularly interested in Zigbee because I've heard it does some...
0
9115
agi2029
by: agi2029 | last post by:
Let's talk about the concept of autonomous AI software engineers and no-code agents. These AIs are designed to manage the entire lifecycle of a software development project—planning, coding, testing, and deployment—without human intervention. Imagine an AI that can take a project description, break it down, write the code, debug it, and then launch it, all on its own.... Now, this would greatly impact the work of software developers. The idea...
0
6838
by: conductexam | last post by:
I have .net C# application in which I am extracting data from word file and save it in database particularly. To store word all data as it is I am converting the whole word file firstly in HTML and then checking html paragraph one by one. At the time of converting from word file to html my equations which are in the word document file was convert into image. Globals.ThisAddIn.Application.ActiveDocument.Select();...
0
5494
by: TSSRALBI | last post by:
Hello I'm a network technician in training and I need your help. I am currently learning how to create and manage the different types of VPNs and I have a question about LAN-to-LAN VPNs. The last exercise I practiced was to create a LAN-to-LAN VPN between two Pfsense firewalls, by using IPSEC protocols. I succeeded, with both firewalls in the same network. But I'm wondering if it's possible to do the same thing, with 2 Pfsense firewalls...
1
4270
by: 6302768590 | last post by:
Hai team i want code for transfer the data from one system to another through IP address by using C# our system has to for every 5mins then we have to update the data what the data is updated we have to send another system
2
3792
muto222
by: muto222 | last post by:
How can i add a mobile payment intergratation into php mysql website.
3
2966
bsmnconsultancy
by: bsmnconsultancy | last post by:
In today's digital era, a well-designed website is crucial for businesses looking to succeed. Whether you're a small business owner or a large corporation in Toronto, having a strong online presence can significantly impact your brand's success. BSMN Consultancy, a leader in Website Development in Toronto offers valuable insights into creating effective websites that not only look great but also perform exceptionally well. In this comprehensive...

By using Bytes.com and it's services, you agree to our Privacy Policy and Terms of Use.

To disable or enable advertisements and analytics tracking please visit the manage ads & tracking page.