node check if file exists
const fs = require("fs"); // Or `import fs from "fs";` with ESM
if (fs.existsSync(path)) {
// Do something
}node check if file exists
const fs = require("fs"); // Or `import fs from "fs";` with ESM
if (fs.existsSync(path)) {
// Do something
}js check file exist
import fs from 'fs';
const path = './file.txt';
try {
if (fs.existsSync(path)) {
//file exists
}
} catch(err) {
console.error(err);
}use node js to check if a json file exists
const fs = require('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;
}use node js to check if a json file exists
const fs = require('fs')
const path = './file.txt'
//Async method
fs.access(path, fs.F_OK, (err) => {
if (err) {
console.error(err)
return
}
//file exists
})Copyright © 2021 Codeinu
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