javascript check if file exists on server

Scriper answered on May 20, 2020 Popularity 10/10 Helpfulness 5/10

answer javascript check if file exists on server

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javascript check if file exists on server

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function doesFileExist(urlToFile) {
    var xhr = new XMLHttpRequest();
    xhr.open('HEAD', urlToFile, false);
    xhr.send();
     
    if (xhr.status == "404") {
        return false;
    } else {
        return true;
    }
}

Popularity 10/10 Helpfulness 5/10 Language javascript

Source: Grepper

Tags: file-exists javascript server

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Contributed on Sep 02 2020

Scriper

0 Answers Avg Quality 2/10

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js check file exist

Comment

import fs from 'fs';

const path = './file.txt';

try {
  if (fs.existsSync(path)) {
    //file exists
  }
} catch(err) {
  console.error(err);
}

Popularity 10/10 Helpfulness 9/10 Language javascript

Source: Grepper

Tags: file

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Contributed on Apr 12 2021

Im_Arxus

0 Answers Avg Quality 2/10

javascript file exists check

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// checking existence of file synchronously
function doesFileExist(urlToFile) {
    var xhr = new XMLHttpRequest();
    xhr.open('HEAD', urlToFile, false);
    xhr.send();
     
    return xhr.status !== 404;
}

Popularity 10/10 Helpfulness 4/10 Language javascript

Source: Grepper

Tags: file-exists file

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Contributed on Jun 30 2020

Scriper

0 Answers Avg Quality 2/10

check if file exists javascript

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function executeIfFileExist(src, callback) {
    var xhr = new XMLHttpRequest()
    xhr.onreadystatechange = function() {
        if (this.readyState === this.DONE) {
            callback()
        }
    }
    xhr.open('HEAD', src)
}

Popularity 10/10 Helpfulness 1/10 Language javascript

Source: stackoverflow.com

Tags: file-exists file

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Contributed on May 20 2020

TC5550

0 Answers Avg Quality 2/10

javascript check if file exists on server

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javascript check if file exists on server

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