Movies

by codemeasandwich

HTML

Movies <br/>
<textarea id="input" placeholder="input"></textarea>
<input type="submit" id="byBtn" value="Do things" onclick="work()"/>
<textarea id="output" placeholder="output"></textarea>

JavaScript

function work(){

const movies = document.getElementById('input').value;

  document.getElementById('output').value =  movies.split('').reduce(function(  accumulator,    currentValue,    currentIndex,    array) {
  console.log(currentValue,array[currentIndex + 1])
    if( currentValue === array[currentIndex + 1])  
  accumulator++;
  return accumulator;
  }, 0)

}