Split this run-on sentence with a period: "It puts the data it retrieved into a javascript variable and calls your function (callback) with that variable, in this case the variable is called fileContents because it contains the contents of the file that was read."
Split this run-on sentence with a period: "It puts the data it retrieved into a javascript variable and calls your function (callback) with that variable, in this case the variable is called
fileContents
because it contains the contents of the file that was read."