Answers for "how to have right arrow in js"

javascript detect arrow key press

//detecting arrow key presses
document.addEventListener('keydown', function(e) {
    switch (e.keyCode) {
        case 37:
            alert('left');
            break;
        case 38:
           alert('up');
            break;
        case 39:
            alert('right');
            break;
        case 40:
            alert('down');
            break;
    }
});

arrow function javascript

const power = (base, exponent) => {
  let result = 1;
  for (let count = 0; count < exponent; count++) {
    result *= base;
  }
  return result;
};

//if the function got only one parameter

const square1 = (x) => { return x * x; };
const square2 = x => x * x;

// empty parameter

const horn = () => {
  console.log("Toot");
};