const body = document.body;

​

body.addEventListener('click', e => {

  console.log('clicked body');

});

​

console.log('Using click()');

body.click();

​

console.log('Using dispatchEvent');

body.dispatchEvent(new Event('click'));

document.getElementById('myElementID').click();

var element = document.getElementById('element');

element.click();

// On mouse-over, execute myFunction

function myFunction() {

  document.getElementById("myCheck").click();

}

​

<form>

  <input type="checkbox" id="myCheck" onmouseover="myFunction()" onclick="alert('click event occurred')">

</form>

<a href="#" target="_blank" onclick="javascript:Test("Test");">MSDN</a>

​