onclick event js code example

Example 1: set onclick javascript

<button id="myBtn">Try it</button>
<p id="demo"></p>

<script>
document.getElementById("myBtn").onclick=function(){displayDate()};

function displayDate()
{
    document.getElementById("demo").innerHTML=Date();
}
</script>

Example 2: javascript onclick

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

Example 3: how to add onclick event in javascript

var element = document.getElementById("elem");
element.onclick = function(event) {
  console.log(event);
}

Example 4: javascript button onclick

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

Example 5: javascript click event

<button onclick="myFunction()">Click me</button>

<p id="demo"></p>

<script>
function myFunction() {
  document.getElementById("demo").innerHTML = "Hello World";
}
</script>

Example 6: javascript onclick

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