how to run javascript in shell code example

Example 1: how to run shell script

chmod +x <fileName>
./fileName.  # or use ->. bash fileName

Example 2: how to run shell script

# method 1
chmod +x <filename>
./<filename>

# method 2
sh <filename>.sh

# method 3 (Only for bash script)
bash <filename>.sh

Example 3: how to run javascript in terminal

// With node.js installed in windows commandline
C:\Users\Name> node
> console.log("Hello World");
Hello World
undefined
>