How do I check if file exists in jQuery or pure JavaScript

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How do I check if a file on my server exists in jQuery or pure JavaScript?
Oct 5, 2020 in JQuery by kartik
• 37,500 points
3,828 views

1 answer to this question.

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Hello @kartik,

With jQuery:

$.ajax({
    url:'http://www.example.com/somefile.ext',
    type:'HEAD',
    error: function()
    {
        //file not exists
    },
    success: function()
    {
        //file exists
    }
});

Here is the code for checking 404 status, without using jQuery

function UrlExists(url)
{
    var http = new XMLHttpRequest();
    http.open('HEAD', url, false);
    http.send();
    return http.status!=404;
}

Hope this helps!!

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Thank you

answered Oct 5, 2020 by Niroj
• 82,740 points

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