JQuery :: Check Whether A Word Exists In A URL?
May 14, 2011
Let me explain the issue which I'm facing with an example.My URL is http://localhost/~gaurav/dstreetmantra/register.php.One of the anchor tags in my navigation bar is <a href="register.php">Register</a>.The code needs to be able to check whether the value in this very anchor tag's href attribute is present in the URL.If it is present, the word 'Register' register would be highlighted. If not, some other link would be highlighted.As I said, I'm doing this for the navigation bar. This way, it'll check which of the links' 'href' value is present in the URL, and thus highlight that link.I'm assuming this can be done using Regex, but I do not know how to use it.
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Mar 15, 2010
I have a jquery dialog with a registration form in it. My problem is: I want to check if the username (input) already exists in the database, if so I want to return a error.
I know I have to use AJAX... but how?
Explanation of my form:
(this is a dialog)
My form:
Username: testuser ERROR: username already exists
Password:
Name:
[Code]....
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Oct 4, 2011
This is probably going to show how new I am to jQueryI have a form with an input text field for entering a URL. The user will most likely paste a URL and I want to automatically verify it's status once the user leaves the field. Basically just make sure the page loads ok.I've found dozens of topics that are close to this, but my lack of jQuery skills is hindering me from adapting any of them properly.
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Aug 4, 2011
I have a textbox for entering URL. I validate that URL using regular expression. Now the problem is, How do i know whether the entered URL is exist or not.?For example, if user enter "http://www.daniweb.cam" rather entering "http://www.daniweb.com", how do i intimate them that the entered url is not valid.?
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Feb 6, 2009
Using Javascript I need to figure out how to check if a URL actually exists. The problem is that the Javascript file may not always be there so I have I have to check every time I need it.
AJAX is not an option AND its has to cross browser compatible.
*NOTE The URL will always be pointing to a Javascript File
[Code]...
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Sep 21, 2010
I'm trying the figure out how to check if a id exists.
I have tried this;
if(document.getElementById("theID")
Then do this
But that doesn't seem to work.
All I want to do is if it doesn't exist then don't run the function.
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Oct 19, 2005
How can I check if a function exists in any of the scripts on my page?
I prefer if it can work for both Javascript & VBScript.
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Apr 13, 2006
How do I check if an object exists in Javascript?
EG:
if (document.getElementById("product").value == null)
{
prodValue = "";
}
else
{
prodValue = document.getElementById("product").value;
}
This gives me an 'object required' error...
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Jul 2, 2011
I'm using ccs3PIE with my site. What I want to do is check if a DOM element has a css property like border-radius and then add a class to it.
The problem I'm having is that I don't know how to check for the css property. I've been searching for it for a couple of hours now and I can't find anything that seems to work.
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Aug 31, 2009
I found out how you can check if an array value exists but I can't seem to get it to work with the options array for some reason.
how I can find out if a certain select value exists?
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Sep 7, 2009
I'm not entirely sure this is possible. I hope it is, and it doesn't seem to far-fetched or impossible.
With JS, how would one go about checking if a user has DivX Web Player installed?
Usually people put in code within the embed, so if it the player doesn't load, it would have the message behind stating the fact. However I haven't seen this used at all with DivX, instead, you see pop-up boxes, whether installed or not, stating "Don't have DivX Web Player? Get it here for windows or mac"
I find this extremely annoying, and would never want such informalities on my website.
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Mar 30, 2010
If I have a form like so:
<form>
<input type="text" />
</form>
[code]....
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Nov 26, 2010
One holds the form and the other the php Query process.Im using a small piece of javascript to POST the value to my php Query process scriptbut im finding it difficult to display a result by fading in a div based on the query response.For example if i type in a tag and the tag already exists i want the php to check the table and the return a faeIN div to say it "already exists" otherwise fadeIN a div to say "Tag inserted into database"But i also am using a little more JS to clear the input field value as well.All this is done without reloading the page.So basically if the tag "People" exists in the MYSQL table then i want the div #i2 to fade in and say "Already exists!"My code is below:The HTML
<form method="post">
<div>
<strong>Keyword: </strong> <input type="input" id="tag" name="tag"/> <input type="button" id="send"
[code]....
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Dec 17, 2005
In my page templates, which are included on every page, I have some javascript that is necessary to create some effects. However a couple of pages do not require the javascript, and because of this the page elements are not present. How would I add a check to ensure the element ID exists before running the javascript code? In other words, here's the code in question:
Code:
var thevar = document.getElementById("theid").getElementsByTagName("LI");
Is there a conditional that can be wrapped around that to prevent the javascript code from running if no elements named "theid" exist?
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Jan 29, 2006
I am having troubles finding a way to use JavaScript to see if a file exists before an ASP file upload script runs. Is there an Exists check for JavaScript? I thought I found an ObjectName.Exists but doing this did not work.
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Mar 5, 2010
I would like to check if a function exists before define it. Does this make sense:
Code:
<script language="JavaScript">
if (typeof this.window['foo'] != 'function') {
[code]....
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Jul 20, 2005
is there any way to check if any textarea or textfield exists in current
document
fg
function checkifexist(){
if any textarea or textfield exist return true
else return false
}
Barti
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Nov 9, 2009
I'm making a table that is dynamically populated from XML data. One of the columns refers to an XML tag that is NOT required (hence the tag does not exist in every XML entry). How do I write a statement (if, else, or any other?) that says - check for the tag, if the tag exists, write the tag's data, if the tag does NOT exist, write "n/a".Here's the code:
[CODE]
<script type="text/javascript">
if (window.XMLHttpRequest)
[code]....
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Sep 12, 2011
Can I detect if 1 or more sessions of a website are open?
for example, if a session with port 7005 is open like this one below, then I want to assign the next port to this user in the second window of browser
http://90.97.8.0:7005/maximo/webclient/login/login.jsp
the next IE window should appear like this:
http://90.97.8.0:7006/maximo/webclient/login/login.jsp
or
http://90.97.8.0:7007/maximo/webclient/login/login.jsp
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Oct 11, 2006
I am trying to find a way to search to see if there is a specific file located in the current directory on the server. If a folder contains file1.txt or file2.txt and depending on which file is in that folder change a certain javascript variable. What it comes down to is, is there a way to search for specific files on the server and limit that to the current directory/folder.
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Sep 14, 2011
I have created a popup at the following page:
http://suawg.osugv.servertrust.com
If i click on 18+ then it gets redirected to http://suawg.osugv.servertrust.com/default.asp
if i click on i am not 18 then it gets redirected to google.com
if i have chosen 18+ then the cookie should be created and if by mistake i again go to http://suawg.osugv.servertrust.com that is popup page it should get redirected to http://suawg.osugv.servertrust.com/default.asp
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Oct 12, 2010
I would like to check the querystring to see if a variable exists.If groupid exists in the querystring and has ANY value then show a hidden div (#closedMsg). I do not care what the value of the groupid is I just want to verify that it has a value.If the url looks like this "www.somesite.com?groupid=" with no value for groupid, I do not want to show the hidden div.
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Jan 6, 2003
Is there a way of checking a file exists before linking to it?
I sell didjeridoos and handdrums.
I was hoping to create small html program for each drum, somthing like this....
<script>
thisdrum=new Image()
thisdrum src=drum001.gif
price=100
rim=12
height=24
</script>
<script src=createpage.js>
</script>
and saved as drum000 to drum999
Now I need a function included in the creatpage.js, that checks if a file exists,(eg drum000.html) if it does, go there, if it doesn't, try drum001.html
any suggestions on how I could go about it?
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Oct 21, 2010
I have declared a javascript array:
Code:
var strUsersName = new Array("John","Mac","George");
I want to check, if the particular loggedin user for example Mac is available in the array list declared.How to check in a efficient way, if the particular user loggedin is available within the array declared.I tried this, but I am not sure, if it is correct:
Code:
var strUsersName = new Array("John","Mac","George");
var L=strUsersName.length;
[code].....
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Aug 12, 2011
I create a div dynamically and set an ID attribute, e.g. myDiv.setAttribute('id',id_name); I am using these dynamic div to create layers (like popups) within my html. Each div has it's own iframe that loads a webpage within it.Sometimes I need to pass on variable from one div to another.In order to check if a div exists i do the following:
PHP Code:
if (document.getElementById('my_div'))
{
[code].....
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Aug 26, 2010
Looking to return true if a question mark (?) exists in a given string.I was thinking of something like the following, but it obviously doesn't work.
alert('/?'.test('my?string'));
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