open file by javascript code example

Example 1: read file javascript

// As with JSON, use the Fetch API & ES6
fetch('something.txt')
  .then(response => response.text())
  .then(data => {
  	// Do something with your data
  	console.log(data);
  });

Example 2: javascript how to open a file

window.open("file:///D:/Hello.txt");