javascript check if file

dwn.220.v.ua: 'A File object is a Blob object with a name attribute, w...

dwn.220.v.ua: 'A File object is a Blob object with a name attribute, which is a string;' If I want to check if it is a specific file type like an image I do this.

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Here is the code for checking status, without using jQuery function . If th...

Here is the code for checking status, without using jQuery function . If the file is big enough this method can take a while to complete.

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Your question is ambiguous, so there are multiple possible answers dependin...

Your question is ambiguous, so there are multiple possible answers depending on what you're really trying to achieve. If you're developping as.

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This works in IE (and FF, I believe): if(dwn.220.v.uamentById("uploadB...

This works in IE (and FF, I believe): if(dwn.220.v.uamentById("uploadBox").value!= "") { // you have a file }.

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You can use XMLHttpRequest to check if the file exists function LinkCheck(u...

You can use XMLHttpRequest to check if the file exists function LinkCheck(url) { var http = new XMLHttpRequest(); dwn.220.v.ua('HEAD', url, false);.

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Try to load it and listen to onerror event var myImage = new Image(); dwn.2...

Try to load it and listen to onerror event var myImage = new Image(); dwn.220.v.ua = 'images/dwn.220.v.ua'; dwn.220.v.uar = function(){ alert('not.

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I have a requirement: If the user has the company's Download Manager i...

I have a requirement: If the user has the company's Download Manager installed on the system then we should let the file get downloaded.

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You can actually omit dwn.220.v.ua(). The dwn.220.v.ua() will return an err...

You can actually omit dwn.220.v.ua(). The dwn.220.v.ua() will return an error when the item you are testing is not there. You can scavenge through the err.

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go to the end: dwn.220.v.ua 0....

go to the end: dwn.220.v.ua 0.

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JavaScript is not designed to access local file due to security; however, M...

JavaScript is not designed to access local file due to security; however, Microsoft with ActiveX can access local file system. If you want to know.

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The difference is too slight to warrant forking the file into different ver...

The difference is too slight to warrant forking the file into different versions. Instead, you can just check if the function exists before calling it to avoid the but you're calling it in your javascript, you'll get an uncaught Object error.

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Hi, I would like to check if a file exists. I thought of doing it with the ...

Hi, I would like to check if a file exists. I thought of doing it with the standard method in Java. I imported: importClass(dwn.220.v.ua); And.

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I have a basic understanding of both HTML and Javascript but am I wrote som...

I have a basic understanding of both HTML and Javascript but am I wrote some code where I'm trying to check to see if a local file exists.

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So stuck in a unique environment. I have a file (javascript plugin) that ma...

So stuck in a unique environment. I have a file (javascript plugin) that makes a bunch of changes to a page. I need it to check the server to.

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cool: Using javascript to check whether a file(url) exists. If you want to ...

cool: Using javascript to check whether a file(url) exists. If you want to check whether a Web resource exists before trying to download it, then.

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