1The Node.js path module handle and transform files paths. 
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3Use below syntaxt to to import module :
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5var path =  require ("path")  
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7Node.js Path Methods and examaple 
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91. normalize(p)
10	It is used to normalize a string path, taking care of '..' and '.' parts.
11    
12Sytntax :     
13path.normalize(p)
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15Out put :
16// Normalization  
17console.log('normalization : ' + path.normalize('/sssit/user//node/newfolder/tab/..')); 
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192. join([path1][, path2][, ...])
20	 path2][, ...])	It is used to join all arguments together and normalize the resulting path.
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22Sytntax : 
23path.join([path1][, path2][, ...])
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25// Join  
26console.log('joint path : ' + path.join('/sssit', 'user', 'node/newfolder', 'tab', '..'));  
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283. resolve([from ...], to)
29	It is used to resolve an absolute path.
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31Syntax :
32path.resolve([from ...], to)
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34// Resolve  
35console.log('resolve : ' + path.resolve('path_example.js'));  
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374. extname(p)
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39Styntax : 
40path.extname(p)
41
42// Extension   
43console.log('ext name: ' + path.extname('path_example.js'));