Google Apps Script - Get row number by cell value

Here is a Google Apps Script snippet I just wrote to manipulate Google spreadsheet data. It will return the row number by cell value:

function findRowByValue(sheet, value) {
var dataRange = sheet.getDataRange();
var values = dataRange.getValues();
for (var i = 0; i < values.length; i++) {
for (var j = 0; j < values[i].length; j++) {
if (values[i][j] == value) {
//Logger.log(i);
return i+1;
}
}
}
return -1;
}