CODE EXAMPLE FOR JAVASCRIPT

how to create a snake game in html css js

function control(e) {
  if (e.keycode === 39) {
    direction = 1; // right
  } else if (e.keycode === 38) {
    direction = -width; //if we press the up arrow, the snake will go ten divs up
  } else if (e.keycode === 37) {
    direction = -1; // left, the snake will go left one div
  } else if (e.keycode === 40) {
    direction = +width; // down the snake head will instantly appear 10 divs below from the current div
  }
}