show more/Less text with just HTML and JavaScript

Question

I am needing to create a show more/less text function, but with just JavaScript and HTML.. I can\'t use any additional libraries such as jQuery and it can\'t be done with CS

Answer 1

 

 
Show More...

 

 

if more div use like this change only 1 to 2

Show More...

 

 

demo jsfiddle