node.js堆栈跟踪线中冒号后面的第二个数字是什么意思？

In a node.js stack trace there are always two numbers, the line number then a : and another number. In the example below, the first line has faye-redis.js:153:36 and 153 is the line number in that file for where the error is occurring, but what does the number :36 mean?In a node.js stack trace there are always two n