run command line on save js code example

Example 1: make js file windows command

type NUL > test.html
type NUL > test.js

Example 2: how to send a command in js

<form action="">
  <select name="channel">
   <option value="#channel1">channel1</option>
   <option value="#channel2">channel2</option>
  </select>
 </form>