How to have JS from HTML call a function INSIDE a node.js script?

Question

I'm currently using Node.JS to back end into different systems. From my web page I want to be able to call a function in the Node.JS script and have it return some values.

Here is a diagram of what I mean.

JS --> calls function --> node.js --> executes function called by normal js

And what about AJAX?

MysterX
– MysterX

2016-10-01 19:50:42 +00:00
Commented Oct 1, 2016 at 19:50 — MysterX
– MysterX, Commented Oct 1, 2016 at 19:50

Joseph · Accepted Answer · 2016-10-01 19:55:42Z

2

The JS on your browser lives in the client machine. The JS on your Node.js lives in the server machine. There's this great divide between them called The Internet, so you technically cannot "have JS from HTML call a function INSIDE a node.js script".

What you do instead is make a network request from your browser JS over The Internet to your server JS and have it respond. There's many ways to do this, most common of which is AJAX.

edited Oct 1, 2016 at 19:55

answered Oct 1, 2016 at 19:51

Joseph

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3 Comments

baao Over a year ago

called The Internet :-)

Joseph Over a year ago

@baao I could have called the server machine "The Cloud" to make it sound more magical. :D

MrDaGree Over a year ago

Thank you very much, I thought I was missing something.

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