Answers for "on button click javascript"

javascript onclick

document.getElementById("myBtn").addEventListener("click", function() {
  alert("Hello World!");
});

how to call a function with a button in javascript

<script>
		function myFunction()
		{
			document.write("<h1>HELLO</h1>")
		}
	</script>
<button onclick="myFunction()">Click</button>

javascript button onclick

document.getElementById('button').onclick = function() {
   alert("button was clicked");
};

click button javascript

// Create variable for what you are trying to click
let button = document.querySelector("#IDofItem");

// Click the button

if (button) {
  button.click();
}
else {
  console.log("Error");
}

javascript onclick button

var button = document.querySelector('button');
button.onclick = function() {
  //do stuff
}

javascript onclick

var myElem = document.getElementByID('ElemID');
myElem.onclick = function() {
	//do stuff
}