node process.argv[2] code example
Example: process.argv[2] node js
>>node myprogram.js firstarg secondarg
process.argv[0] == "node"
process.argv[1] == "myprogram.js"
process.argv[2] == "firstarg"
process.argv[3] == "secondarg"
//process.argv[0] same as process.argv.slice(0)