Web Front-End Programming
Javascript – NodeJS Demonstration
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Let’s write a simple NodeJS script that:
Reads in up to 20 dates in the format “YYYY/MM/DD” from argv
For each date, calculates how many days since that date have passed
Creates a list of keys:value pairs that store date:days-since-date
Outputs this as JSON to a file on the file system
Let’s demo together!
Let’s write a simple NodeJS script that:
Starts up a simple HTTP server with one GET route called “/scrape”
This route takes in a URL and a particular HTML tag to look for and count
This route returns a simple object with the number of times that tag appears on a webpage
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