click button using DOM code example

Example 1: javascript click

const element = document.querySelector('element');
element.click();

Example 2: dom button

<button name="favorite">
  <svg aria-hidden="true" viewBox="0 0 10 10"><path d="M7 9L5 8 3 9V6L1 4h3l1-3 1 3h3L7 6z"/></svg>
  Add to favorites
</button>