I want to read a text file stored in my computer using java script as an array and want to display one of the arrays element.

For ex: my text file is:

401 1 75 115
402 2 80 110
404 3 82 109

Then i want to read the whole file and print the element of second row and third column. ie.80.

I dont know how to do this. i m new to this forumn.
Any help is appriciated.