JQuery :: Check File Extension When User Sets It In The File Input?
Apr 20, 2010
is there a way to assign an event to a file input so that when a user selects a file to upload the event is triggered and i can check out the file extension? The reason why is simple, i want to perform different actions depending on the type of the file.
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Aug 25, 2011
I am using jquery.validate.js for my validation. I need to validate some dynamic input fields. By using class now I am able to validate that. Here my problem is to validate for the file extension.
For static files I use as
file: {
required:true,
accept: "png|jpg",
},
How to write the accept validation for dynamically generated input fields. Below is my input field where the ID and name will change for every input field.
<input type="file" id="tval_1" name="tval_1" class="required accept" />
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Jul 24, 2006
I would need javascript code to check extension of uploaded file. File upload in not mandatory, but I need script to check extension and allow only JPG, BMP, PGN and other Image files.
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May 1, 2007
actually there's no error in the code only that is only made to check for one input field and my form has 3 image upload fields, the original is:
<form enctype="multipart/form-data" action="action.php" method="post" onSubmit="if(!this.img1.value.match(/.jpg$/i)){alert('Must be JPG file');return false};return val(this)">
<input type="file" name="img1">
</form>
This works great but what modifications should have to be able to check multiple file input fields?
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Dec 20, 2004
I have a form with three Input File form objects in which the user can add image files. But I am worried about the problems these controls can lead, because to check the file size the server needs to receive the entire file, so serious problems may happen, for example:
1. Malicious user trying to collapse the website sending big files.
2. Users that have not seen the warning “Maximum size: 100 KB� for each image, and try to send three image files consisting in 1,5 MB each one. These users will have a bad experience waiting one hour or more to upload the images, and after that receive an alert saying “Oooops! Your image files are too big.� And also, web server will waste an important amount of resources. The same case with 100 users at the same time can be a nightmare!
I have been searching a way to check the file size on client side without having to force user to install anything, but I think that there isn’ t nothing to do with javascript. But I found an interesting PHP article that explains a way to do it with this server side language. The technique consists in:
“A hidden field (measured in bytes) that precede the file input field, and its value is the maximum filesize accepted. This is an advisory to the browser, PHP also checks it. This form element should always be used as it saves users the trouble of waiting for a big file being transferred only to find that it was too big and the transfer failed. Code:
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Nov 3, 2010
I have a folder "A" with 10 files, all with .txt extensions in it. I want a java script to open all the 10 files in the folder "A" and change the extensions to .js and save it in a folder "B".
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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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Sep 21, 2007
I have a <input type = file> button for uploading a file in my php page. As soon as i select a file from the button, i need the file data to be displayed so that i check whether the file selected has the correct data. How can i do this.
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Jul 20, 2005
I have a need to write user gathered input to a file as a single line......
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Apr 30, 2011
I need a script that will validate user input against a text file - exactly like the one in the left sidebar at code...
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Sep 18, 2011
I want to pop up alert when the user browse file into input for example I have this input:
HTML Code:
<input type="file" name="myfiles[]" />
Now, when the user finish to browse an file I want a function to start working, what I mean by finish browse file is when the user select file and than click on the file he selected twice and than when the browsing files windows close I want this function to start.
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Mar 20, 2010
I wanna send a file thru the JQuery.load, I want it to work exactly like the regular post without the JQuery. So I can check the $_FILES['file']['error'] in PHP and all its features like I do without using JQuery.
$("#load").load('gerenciar_itens.php',{/* This is where I wanna pass the file. */}, function(data){
alert(data);
});
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Nov 29, 2011
I've got a major headache with IE in that I have a support form that allows users to submit tickets with files which is then emailed off.
Using javascript, jQuery and PHP I have everything under control with all of our favourite browsers - but then comes along IE.
support.php
...
<!-- file -->
<div class="fileUploadEntry">
[code]....
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Oct 22, 2009
I need to get the filename, basename, dirname using jQuery. if there is any utility that will take care of windows/mac/linux file paths.
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Jun 3, 2009
I've been doing some research on url names. The problem is, I need this code to return like say "index.php", it would return "index". But idk where I went wrong..
The code:
<script>
var sPage;
var sPath = window.location.pathname;
//var sPage = sPath.substring(sPath.lastIndexOf('\') + 1);
[Code]...
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Jan 1, 2007
I allow people to upload images onto my web server. I want to verify each image is less than 50Kb and is an image type, this is what I came up with Verifying the files extension Code:
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Mar 8, 2011
JQuery and I have a function which adds an image to a link depending on the file type.
How to write a statement that says....if there is no file extension - leave the default styling, if not add file extension. At the moment I have dots and images..see here [url]
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Aug 15, 2011
I have a form with 3 text inputs; onclick I pass their values to another php file to process everything in that file without a refresh, it works fine, but in the same form I also have a input and I need to pass its value to that other file as well, does anybody know how to do it? This is what I have:
function processform(){
$.post('processnewpostForm.php',
{title: newpostform.titleInput.value,
[code]....
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May 14, 2010
I have seen many Javascripts on Internet that checks the extension of the file before uploading. But all these scripts checks the extension when the Submit button is pressed. I want to check the file extension as soon as the file is selected. The script should delete the selected file from the type=file box and display an error message (when a file with the wrong extension is selected).
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Jan 28, 2010
I have one html-file where the user inserts a search path for an excel file. When the user clicks the button the data in the excel file should be presented in a <TABLE>. (Yeah, I know, activex only works in IE .. but that's good enough for this project)
The problem is .. I started out with a "fixed" search path for the excel file, so I didn't have the code in a function. That worked just fine. Once I added the function {} around the code it wouldn't work, it works just fine if I comment out the form-part and the function-part, and give the search path, of course.
It also works just fine if I use the function and form, but remove the <TABLE>- and <TR>-rows
[Code]...
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May 27, 2011
I have a flash player pulling videos from a folder and Im using the Javascript below to display the name of the file that is currently playing. What I would like to do is remove the file extension from the filename when it is displayed.
Currently displayed: Now Playing: Michael Jackson Thriller.mp4
Fixed display: Now Playing: Michael Jackson Thriller
[Code]...
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Sep 27, 2011
The mounds of RegExp data will take me days to sift through can someone help me create a regular expression to find a file extension? (all characters after a period) I have already gotten this far: .+. to find everything before and including the period; and I was hoping to integrate the caret to say everything but .+. But I just can't get it to work.
Note: I will be writing a file to the server with JScript ASP. The file name will be passed to the script that writes the file, and I want to make sure that in addition to removing any possible code from the line being written, that I also prevent an executable file from being created. I will be searching for certain extensions and returning if anything else is found.
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Jan 24, 2011
i want to search the index.xml file throu diff input like combo box and input text shown in the search.html file and output the result in a tale.
search.html
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html><head><meta content="text/html; charset=ISO-8859-1" http-equiv="content-type">
<title>Search</title>
<script type="text/javascript" src="search%20xml/search%20xml%20with%20mouseover%20table/searchindex.js"></script>
[Code]...
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Nov 3, 2010
I am kinda new to java scripting and here is what i am trying to do. I have a folder "A" with 10 files, all with .txt extensions in it. I want a java script to open all the 10 files in the folder "A" and change the extensions to .js and save it in a folder "B".
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Apr 6, 2011
[How to fetch filename with extension from file path? The file path is like this.(E:/videos/India.avi). I want to fetch only India.avi from file path.how to do it in javascript?/]
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Apr 17, 2006
I want to restrict the user from being entering the value in <input type="file">. It works fine in IE but not in Mozilla. I am sending my code also which works in IE and not in Mozilla...
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