p5.js TypedDict clear() Method

function setup() {
  createCanvas(550, 500);
  textSize(16);

  let tmpObj = {
    "Statue of Unity": "182 m",
    "Spring Temple Buddha": "128 m",
    "Ushiku Daibutsu": "100 m",
    "Great Buddha of Thailand": "92m"
  };

  // Create a new dictionary
  let stringDict =
      createStringDict(tmpObj);
  text("New string dictionary created " +
       "with four keys", 20, 40);

  // Check for a key
  let existOne = 
      stringDict.hasKey('Spring Temple Buddha');
  text("Dictionary has key " +
       "'Spring Temple Buddha': " +
       existOne, 20, 80);

  // Check the current size
  let currSize = stringDict.size();
  text("Current size of the dictionary: " +
       currSize, 20, 100);

  // Clear the dictionary
  stringDict.clear();
  text("Dictionary has been cleared!",
       20, 140);

  // Check for a key again
  existOne =
    stringDict.hasKey('Spring Temple Buddha');
  text("Dictionary has key " +
       "'Spring Temple Buddha': " +
       existOne, 20, 180);

  // Check the current size again
  currSize = stringDict.size();
  text("Current size of the dictionary: " +
       currSize, 20, 200);
}