Instructions for using path.isAbsolute method in node.js_node.js

Method description:

Check whether path is an absolute path. An absolute path will resolve to the same location whether in the working directory or not.

Grammar:

Copy code The code is as follows:

path.isAbsolute(path)

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

Receive parameters:

path path path

Example:

Copy code The code is as follows:

//Posix examples:
path.isAbsolute('/foo/bar') // true
path.isAbsolute('/baz/..') // true
path.isAbsolute('qux/') // false
path.isAbsolute('.') // false
//Windows examples:
path.isAbsolute('//server') // true
path.isAbsolute('C:/foo/..') // true
path.isAbsolute('bar\baz') // false
path.isAbsolute('.') // false

Source code:

Copy code The code is as follows:

// windows version
exports.isAbsolute = function(path) {
var result = splitDeviceRe.exec(path),
device = result[1] || '',
isUnc = device && device.charAt(1) !== ':';
// UNC paths are always absolute
Return !!result[2] || isUnc;
};