Instructions for using the fs.unlink method in node.js_node.js

Method description:

Delete file operation.

Grammar:

Copy code The code is as follows:

fs.unlink(path, [callback(err)])

Since this method belongs to the fs module, the fs module needs to be introduced before use (var fs= require(“fs”) )

Receive parameters:

path File path

callback Callback, passing an exception parameter err.

Example:

Copy code The code is as follows:

var fs = require('fs');
var filepath = '126.txt';
fs.unlink(filepath, function(err){
if(err){
throw err;
}
console.log('File:' filepath 'Deleted successfully!');
})

Source code:

Copy code The code is as follows:

fs.unlink = function(path, callback) {
callback = makeCallback(callback);
if (!nullCheck(path, callback)) return;
binding.unlink(pathModule._makeLong(path), callback);
};