A quick way to list globally installed NPM modules. The following command will display all the top-level NPM modules.
NodeJS is server side program it can return HTML pages based on user requirements. We can able to load HTML files instead of rendering HTML contents. There is a function sendFile() it accepts file path as argument and returns rendering file.
In NodeJS we can able to access the POST method request data using the “body-parser” module. This module parse the request by encoding the URL by calling the function. This urlencoded function accepts JSON object as input.
The Below example Shows creating HTML form in NodeJS with POST method and GET methods to display input.
In NodeJS we try to access the request from unknown URL(for example localhost) it blocks our request and return CROS error on browser. This type of errors are normally arise from Chrome browsers. To resolve this blocking we need to inform our express app to allow headers with specified access methods. Normal allowing methods are “PUT, GET, POST, DELETE, OPTIONS”.