js check file exist
import fs from 'fs';
const path = './file.txt';
try {
if (fs.existsSync(path)) {
//file exists
}
} catch(err) {
console.error(err);
}js check file exist
import fs from 'fs';
const path = './file.txt';
try {
if (fs.existsSync(path)) {
//file exists
}
} catch(err) {
console.error(err);
}javascript check if file exists on server
function doesFileExist(urlToFile) {
var xhr = new XMLHttpRequest();
xhr.open('HEAD', urlToFile, false);
xhr.send();
if (xhr.status == "404") {
return false;
} else {
return true;
}
}javascript file exists check
// checking existence of file synchronously
function doesFileExist(urlToFile) {
var xhr = new XMLHttpRequest();
xhr.open('HEAD', urlToFile, false);
xhr.send();
return xhr.status !== 404;
}check if file exists javascript
function executeIfFileExist(src, callback) {
var xhr = new XMLHttpRequest()
xhr.onreadystatechange = function() {
if (this.readyState === this.DONE) {
callback()
}
}
xhr.open('HEAD', src)
}Copyright © 2021 Codeinu
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